Home / 31,572.02-47,364.28-11,581.70

Finding the Fourth Proportional to 31,572.02, 47,364.28 and 11,581.70

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Solution

The fourth proportional to 31,572.02, 47,364.28 and 11,581.70 is: 17,374.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,572.02 : 47,364.28 = 11,581.70 : x
  2. Step 2: Convert to fraction form
    31,572.02/47,364.28 = 11,581.70/x
  3. Step 3: Cross multiply
    31,572.02x = 47,364.28 × 11,581.70
  4. Step 4: Simplify right side
    31,572.02x = 548,558,957.80
  5. Step 5: Solve for x
    x = 548,558,957.80/31,572.02
  6. Step 6: Final answer
    x = 17,374.84

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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.