Home / 56,458.08-84,710.88-28,404

Finding the Fourth Proportional to 56,458.08, 84,710.88 and 28,404

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Solution

The fourth proportional to 56,458.08, 84,710.88 and 28,404 is: 42,617.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,458.08 : 84,710.88 = 28,404 : x
  2. Step 2: Convert to fraction form
    56,458.08/84,710.88 = 28,404/x
  3. Step 3: Cross multiply
    56,458.08x = 84,710.88 × 28,404
  4. Step 4: Simplify right side
    56,458.08x = 2,406,127,835.52
  5. Step 5: Solve for x
    x = 2,406,127,835.52/56,458.08
  6. Step 6: Final answer
    x = 42,617.95

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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.