Home / 31,930.31-47,901.27-13,200.17

Finding the Fourth Proportional to 31,930.31, 47,901.27 and 13,200.17

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Solution

The fourth proportional to 31,930.31, 47,901.27 and 13,200.17 is: 19,802.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,930.31 : 47,901.27 = 13,200.17 : x
  2. Step 2: Convert to fraction form
    31,930.31/47,901.27 = 13,200.17/x
  3. Step 3: Cross multiply
    31,930.31x = 47,901.27 × 13,200.17
  4. Step 4: Simplify right side
    31,930.31x = 632,304,667.71
  5. Step 5: Solve for x
    x = 632,304,667.71/31,930.31
  6. Step 6: Final answer
    x = 19,802.65

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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.