Home / 30,901.01-42,640.76-17,470.40

Finding the Fourth Proportional to 30,901.01, 42,640.76 and 17,470.40

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Solution

The fourth proportional to 30,901.01, 42,640.76 and 17,470.40 is: 24,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,901.01 : 42,640.76 = 17,470.40 : x
  2. Step 2: Convert to fraction form
    30,901.01/42,640.76 = 17,470.40/x
  3. Step 3: Cross multiply
    30,901.01x = 42,640.76 × 17,470.40
  4. Step 4: Simplify right side
    30,901.01x = 744,950,963.98
  5. Step 5: Solve for x
    x = 744,950,963.98/30,901.01
  6. Step 6: Final answer
    x = 24,107.66

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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.