Home / 42,822.30-64,233.45-42,166.20

Finding the Fourth Proportional to 42,822.30, 64,233.45 and 42,166.20

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Solution

The fourth proportional to 42,822.30, 64,233.45 and 42,166.20 is: 63,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,822.30 : 64,233.45 = 42,166.20 : x
  2. Step 2: Convert to fraction form
    42,822.30/64,233.45 = 42,166.20/x
  3. Step 3: Cross multiply
    42,822.30x = 64,233.45 × 42,166.20
  4. Step 4: Simplify right side
    42,822.30x = 2,708,480,499.39
  5. Step 5: Solve for x
    x = 2,708,480,499.39/42,822.30
  6. Step 6: Final answer
    x = 63,249.30

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1.5x scale

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.