Home / 48,624.16-72,905.56-20,529.68

Finding the Fourth Proportional to 48,624.16, 72,905.56 and 20,529.68

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Solution

The fourth proportional to 48,624.16, 72,905.56 and 20,529.68 is: 30,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,624.16 : 72,905.56 = 20,529.68 : x
  2. Step 2: Convert to fraction form
    48,624.16/72,905.56 = 20,529.68/x
  3. Step 3: Cross multiply
    48,624.16x = 72,905.56 × 20,529.68
  4. Step 4: Simplify right side
    48,624.16x = 1,496,727,817.02
  5. Step 5: Solve for x
    x = 1,496,727,817.02/48,624.16
  6. Step 6: Final answer
    x = 30,781.57

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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.