Home / 31,407.26-47,117.82-17,387.74

Finding the Fourth Proportional to 31,407.26, 47,117.82 and 17,387.74

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Solution

The fourth proportional to 31,407.26, 47,117.82 and 17,387.74 is: 26,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407.26 : 47,117.82 = 17,387.74 : x
  2. Step 2: Convert to fraction form
    31,407.26/47,117.82 = 17,387.74/x
  3. Step 3: Cross multiply
    31,407.26x = 47,117.82 × 17,387.74
  4. Step 4: Simplify right side
    31,407.26x = 819,272,403.53
  5. Step 5: Solve for x
    x = 819,272,403.53/31,407.26
  6. Step 6: Final answer
    x = 26,085.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.