Home / 52,261.41-72,119.55-28,387.58

Finding the Fourth Proportional to 52,261.41, 72,119.55 and 28,387.58

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Solution

The fourth proportional to 52,261.41, 72,119.55 and 28,387.58 is: 39,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,261.41 : 72,119.55 = 28,387.58 : x
  2. Step 2: Convert to fraction form
    52,261.41/72,119.55 = 28,387.58/x
  3. Step 3: Cross multiply
    52,261.41x = 72,119.55 × 28,387.58
  4. Step 4: Simplify right side
    52,261.41x = 2,047,299,134.59
  5. Step 5: Solve for x
    x = 2,047,299,134.59/52,261.41
  6. Step 6: Final answer
    x = 39,174.20

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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.