Home / 29,445.28-40,623.60-17,509.12

Finding the Fourth Proportional to 29,445.28, 40,623.60 and 17,509.12

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Solution

The fourth proportional to 29,445.28, 40,623.60 and 17,509.12 is: 24,156.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,445.28 : 40,623.60 = 17,509.12 : x
  2. Step 2: Convert to fraction form
    29,445.28/40,623.60 = 17,509.12/x
  3. Step 3: Cross multiply
    29,445.28x = 40,623.60 × 17,509.12
  4. Step 4: Simplify right side
    29,445.28x = 711,283,487.23
  5. Step 5: Solve for x
    x = 711,283,487.23/29,445.28
  6. Step 6: Final answer
    x = 24,156.11

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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.