Home / 36,490.04-54,721.62-13,110.20

Finding the Fourth Proportional to 36,490.04, 54,721.62 and 13,110.20

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Solution

The fourth proportional to 36,490.04, 54,721.62 and 13,110.20 is: 19,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,490.04 : 54,721.62 = 13,110.20 : x
  2. Step 2: Convert to fraction form
    36,490.04/54,721.62 = 13,110.20/x
  3. Step 3: Cross multiply
    36,490.04x = 54,721.62 × 13,110.20
  4. Step 4: Simplify right side
    36,490.04x = 717,411,382.52
  5. Step 5: Solve for x
    x = 717,411,382.52/36,490.04
  6. Step 6: Final answer
    x = 19,660.47

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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.