Home / 52,178.55-72,006.09-28,304.71

Finding the Fourth Proportional to 52,178.55, 72,006.09 and 28,304.71

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Solution

The fourth proportional to 52,178.55, 72,006.09 and 28,304.71 is: 39,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,178.55 : 72,006.09 = 28,304.71 : x
  2. Step 2: Convert to fraction form
    52,178.55/72,006.09 = 28,304.71/x
  3. Step 3: Cross multiply
    52,178.55x = 72,006.09 × 28,304.71
  4. Step 4: Simplify right side
    52,178.55x = 2,038,111,495.68
  5. Step 5: Solve for x
    x = 2,038,111,495.68/52,178.55
  6. Step 6: Final answer
    x = 39,060.33

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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.