Home / 48,071.48-72,115.54-21,426.96

Finding the Fourth Proportional to 48,071.48, 72,115.54 and 21,426.96

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Solution

The fourth proportional to 48,071.48, 72,115.54 and 21,426.96 is: 32,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,071.48 : 72,115.54 = 21,426.96 : x
  2. Step 2: Convert to fraction form
    48,071.48/72,115.54 = 21,426.96/x
  3. Step 3: Cross multiply
    48,071.48x = 72,115.54 × 21,426.96
  4. Step 4: Simplify right side
    48,071.48x = 1,545,216,790.96
  5. Step 5: Solve for x
    x = 1,545,216,790.96/48,071.48
  6. Step 6: Final answer
    x = 32,144.15

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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.