Home / 31,931.04-47,901.42-19,460.28

Finding the Fourth Proportional to 31,931.04, 47,901.42 and 19,460.28

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Solution

The fourth proportional to 31,931.04, 47,901.42 and 19,460.28 is: 29,193.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,931.04 : 47,901.42 = 19,460.28 : x
  2. Step 2: Convert to fraction form
    31,931.04/47,901.42 = 19,460.28/x
  3. Step 3: Cross multiply
    31,931.04x = 47,901.42 × 19,460.28
  4. Step 4: Simplify right side
    31,931.04x = 932,175,045.60
  5. Step 5: Solve for x
    x = 932,175,045.60/31,931.04
  6. Step 6: Final answer
    x = 29,193.38

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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.