Home / 42,159.18-58,191.78-27,829.47

Finding the Fourth Proportional to 42,159.18, 58,191.78 and 27,829.47

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Solution

The fourth proportional to 42,159.18, 58,191.78 and 27,829.47 is: 38,412.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,159.18 : 58,191.78 = 27,829.47 : x
  2. Step 2: Convert to fraction form
    42,159.18/58,191.78 = 27,829.47/x
  3. Step 3: Cross multiply
    42,159.18x = 58,191.78 × 27,829.47
  4. Step 4: Simplify right side
    42,159.18x = 1,619,446,395.76
  5. Step 5: Solve for x
    x = 1,619,446,395.76/42,159.18
  6. Step 6: Final answer
    x = 38,412.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.