Home / 42,530.47-63,727.66-36,270.79

Finding the Fourth Proportional to 42,530.47, 63,727.66 and 36,270.79

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Solution

The fourth proportional to 42,530.47, 63,727.66 and 36,270.79 is: 54,348.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,530.47 : 63,727.66 = 36,270.79 : x
  2. Step 2: Convert to fraction form
    42,530.47/63,727.66 = 36,270.79/x
  3. Step 3: Cross multiply
    42,530.47x = 63,727.66 × 36,270.79
  4. Step 4: Simplify right side
    42,530.47x = 2,311,452,459.07
  5. Step 5: Solve for x
    x = 2,311,452,459.07/42,530.47
  6. Step 6: Final answer
    x = 54,348.16

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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.