Home / 42,127.04-63,202.37-18,436.65

Finding the Fourth Proportional to 42,127.04, 63,202.37 and 18,436.65

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Solution

The fourth proportional to 42,127.04, 63,202.37 and 18,436.65 is: 27,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,127.04 : 63,202.37 = 18,436.65 : x
  2. Step 2: Convert to fraction form
    42,127.04/63,202.37 = 18,436.65/x
  3. Step 3: Cross multiply
    42,127.04x = 63,202.37 × 18,436.65
  4. Step 4: Simplify right side
    42,127.04x = 1,165,239,882.68
  5. Step 5: Solve for x
    x = 1,165,239,882.68/42,127.04
  6. Step 6: Final answer
    x = 27,660.14

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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.