Home / 38,920.81-58,167.98-28,412.96

Finding the Fourth Proportional to 38,920.81, 58,167.98 and 28,412.96

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Solution

The fourth proportional to 38,920.81, 58,167.98 and 28,412.96 is: 42,463.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,920.81 : 58,167.98 = 28,412.96 : x
  2. Step 2: Convert to fraction form
    38,920.81/58,167.98 = 28,412.96/x
  3. Step 3: Cross multiply
    38,920.81x = 58,167.98 × 28,412.96
  4. Step 4: Simplify right side
    38,920.81x = 1,652,724,489.02
  5. Step 5: Solve for x
    x = 1,652,724,489.02/38,920.81
  6. Step 6: Final answer
    x = 42,463.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.