Home / 40,915.95-56,457.45-23,010.90

Finding the Fourth Proportional to 40,915.95, 56,457.45 and 23,010.90

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Solution

The fourth proportional to 40,915.95, 56,457.45 and 23,010.90 is: 31,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,915.95 : 56,457.45 = 23,010.90 : x
  2. Step 2: Convert to fraction form
    40,915.95/56,457.45 = 23,010.90/x
  3. Step 3: Cross multiply
    40,915.95x = 56,457.45 × 23,010.90
  4. Step 4: Simplify right side
    40,915.95x = 1,299,136,736.21
  5. Step 5: Solve for x
    x = 1,299,136,736.21/40,915.95
  6. Step 6: Final answer
    x = 31,751.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.