Home / 31,329.67-43,230.95-17,901.80

Finding the Fourth Proportional to 31,329.67, 43,230.95 and 17,901.80

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Solution

The fourth proportional to 31,329.67, 43,230.95 and 17,901.80 is: 24,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,329.67 : 43,230.95 = 17,901.80 : x
  2. Step 2: Convert to fraction form
    31,329.67/43,230.95 = 17,901.80/x
  3. Step 3: Cross multiply
    31,329.67x = 43,230.95 × 17,901.80
  4. Step 4: Simplify right side
    31,329.67x = 773,911,820.71
  5. Step 5: Solve for x
    x = 773,911,820.71/31,329.67
  6. Step 6: Final answer
    x = 24,702.20

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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.