Home / 48,856.24-67,398.24-28,438.30

Finding the Fourth Proportional to 48,856.24, 67,398.24 and 28,438.30

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Solution

The fourth proportional to 48,856.24, 67,398.24 and 28,438.30 is: 39,231.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,856.24 : 67,398.24 = 28,438.30 : x
  2. Step 2: Convert to fraction form
    48,856.24/67,398.24 = 28,438.30/x
  3. Step 3: Cross multiply
    48,856.24x = 67,398.24 × 28,438.30
  4. Step 4: Simplify right side
    48,856.24x = 1,916,691,368.59
  5. Step 5: Solve for x
    x = 1,916,691,368.59/48,856.24
  6. Step 6: Final answer
    x = 39,231.25

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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.