Home / 52,551.10-72,519.15-28,678.06

Finding the Fourth Proportional to 52,551.10, 72,519.15 and 28,678.06

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Solution

The fourth proportional to 52,551.10, 72,519.15 and 28,678.06 is: 39,574.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,551.10 : 72,519.15 = 28,678.06 : x
  2. Step 2: Convert to fraction form
    52,551.10/72,519.15 = 28,678.06/x
  3. Step 3: Cross multiply
    52,551.10x = 72,519.15 × 28,678.06
  4. Step 4: Simplify right side
    52,551.10x = 2,079,708,534.85
  5. Step 5: Solve for x
    x = 2,079,708,534.85/52,551.10
  6. Step 6: Final answer
    x = 39,574.98

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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.