Home / 48,386.40-72,165.84-42,502.08

Finding the Fourth Proportional to 48,386.40, 72,165.84 and 42,502.08

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Solution

The fourth proportional to 48,386.40, 72,165.84 and 42,502.08 is: 63,389.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386.40 : 72,165.84 = 42,502.08 : x
  2. Step 2: Convert to fraction form
    48,386.40/72,165.84 = 42,502.08/x
  3. Step 3: Cross multiply
    48,386.40x = 72,165.84 × 42,502.08
  4. Step 4: Simplify right side
    48,386.40x = 3,067,198,304.95
  5. Step 5: Solve for x
    x = 3,067,198,304.95/48,386.40
  6. Step 6: Final answer
    x = 63,389.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.