Home / 48,073.48-72,118.54-21,428.96

Finding the Fourth Proportional to 48,073.48, 72,118.54 and 21,428.96

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Solution

The fourth proportional to 48,073.48, 72,118.54 and 21,428.96 is: 32,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,073.48 : 72,118.54 = 21,428.96 : x
  2. Step 2: Convert to fraction form
    48,073.48/72,118.54 = 21,428.96/x
  3. Step 3: Cross multiply
    48,073.48x = 72,118.54 × 21,428.96
  4. Step 4: Simplify right side
    48,073.48x = 1,545,425,308.92
  5. Step 5: Solve for x
    x = 1,545,425,308.92/48,073.48
  6. Step 6: Final answer
    x = 32,147.15

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1.5x scale

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.