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Finding the Fourth Proportional to 29,503.61, 40,715.17 and 17,567.45

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Solution

The fourth proportional to 29,503.61, 40,715.17 and 17,567.45 is: 24,243.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,503.61 : 40,715.17 = 17,567.45 : x
  2. Step 2: Convert to fraction form
    29,503.61/40,715.17 = 17,567.45/x
  3. Step 3: Cross multiply
    29,503.61x = 40,715.17 × 17,567.45
  4. Step 4: Simplify right side
    29,503.61x = 715,261,771.09
  5. Step 5: Solve for x
    x = 715,261,771.09/29,503.61
  6. Step 6: Final answer
    x = 24,243.19

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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.