Home / 38,289.12-52,838.92-21,292.90

Finding the Fourth Proportional to 38,289.12, 52,838.92 and 21,292.90

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Solution

The fourth proportional to 38,289.12, 52,838.92 and 21,292.90 is: 29,384.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,289.12 : 52,838.92 = 21,292.90 : x
  2. Step 2: Convert to fraction form
    38,289.12/52,838.92 = 21,292.90/x
  3. Step 3: Cross multiply
    38,289.12x = 52,838.92 × 21,292.90
  4. Step 4: Simplify right side
    38,289.12x = 1,125,093,839.67
  5. Step 5: Solve for x
    x = 1,125,093,839.67/38,289.12
  6. Step 6: Final answer
    x = 29,384.17

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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.