Home / 52,419.94-72,334.02-30,616.90

Finding the Fourth Proportional to 52,419.94, 72,334.02 and 30,616.90

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Solution

The fourth proportional to 52,419.94, 72,334.02 and 30,616.90 is: 42,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,419.94 : 72,334.02 = 30,616.90 : x
  2. Step 2: Convert to fraction form
    52,419.94/72,334.02 = 30,616.90/x
  3. Step 3: Cross multiply
    52,419.94x = 72,334.02 × 30,616.90
  4. Step 4: Simplify right side
    52,419.94x = 2,214,643,456.94
  5. Step 5: Solve for x
    x = 2,214,643,456.94/52,419.94
  6. Step 6: Final answer
    x = 42,248.11

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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.