Home / 40,122.81-60,176.93-12,036.26

Finding the Fourth Proportional to 40,122.81, 60,176.93 and 12,036.26

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Solution

The fourth proportional to 40,122.81, 60,176.93 and 12,036.26 is: 18,052.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,122.81 : 60,176.93 = 12,036.26 : x
  2. Step 2: Convert to fraction form
    40,122.81/60,176.93 = 12,036.26/x
  3. Step 3: Cross multiply
    40,122.81x = 60,176.93 × 12,036.26
  4. Step 4: Simplify right side
    40,122.81x = 724,305,265.74
  5. Step 5: Solve for x
    x = 724,305,265.74/40,122.81
  6. Step 6: Final answer
    x = 18,052.21

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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.