Home / 52,385.08-72,293.96-30,881.20

Finding the Fourth Proportional to 52,385.08, 72,293.96 and 30,881.20

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Solution

The fourth proportional to 52,385.08, 72,293.96 and 30,881.20 is: 42,617.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,385.08 : 72,293.96 = 30,881.20 : x
  2. Step 2: Convert to fraction form
    52,385.08/72,293.96 = 30,881.20/x
  3. Step 3: Cross multiply
    52,385.08x = 72,293.96 × 30,881.20
  4. Step 4: Simplify right side
    52,385.08x = 2,232,524,237.55
  5. Step 5: Solve for x
    x = 2,232,524,237.55/52,385.08
  6. Step 6: Final answer
    x = 42,617.56

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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.