Home / 40,915.72-56,459.68-23,010.32

Finding the Fourth Proportional to 40,915.72, 56,459.68 and 23,010.32

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Solution

The fourth proportional to 40,915.72, 56,459.68 and 23,010.32 is: 31,751.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,915.72 : 56,459.68 = 23,010.32 : x
  2. Step 2: Convert to fraction form
    40,915.72/56,459.68 = 23,010.32/x
  3. Step 3: Cross multiply
    40,915.72x = 56,459.68 × 23,010.32
  4. Step 4: Simplify right side
    40,915.72x = 1,299,155,303.90
  5. Step 5: Solve for x
    x = 1,299,155,303.90/40,915.72
  6. Step 6: Final answer
    x = 31,751.98

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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.