Home / 53,561.72-73,915.76-29,688.84

Finding the Fourth Proportional to 53,561.72, 73,915.76 and 29,688.84

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Solution

The fourth proportional to 53,561.72, 73,915.76 and 29,688.84 is: 40,970.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,561.72 : 73,915.76 = 29,688.84 : x
  2. Step 2: Convert to fraction form
    53,561.72/73,915.76 = 29,688.84/x
  3. Step 3: Cross multiply
    53,561.72x = 73,915.76 × 29,688.84
  4. Step 4: Simplify right side
    53,561.72x = 2,194,473,172.12
  5. Step 5: Solve for x
    x = 2,194,473,172.12/53,561.72
  6. Step 6: Final answer
    x = 40,970.92

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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.