Home / 42,217.12-63,347.36-18,858.88

Finding the Fourth Proportional to 42,217.12, 63,347.36 and 18,858.88

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Solution

The fourth proportional to 42,217.12, 63,347.36 and 18,858.88 is: 28,298.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,217.12 : 63,347.36 = 18,858.88 : x
  2. Step 2: Convert to fraction form
    42,217.12/63,347.36 = 18,858.88/x
  3. Step 3: Cross multiply
    42,217.12x = 63,347.36 × 18,858.88
  4. Step 4: Simplify right side
    42,217.12x = 1,194,660,260.56
  5. Step 5: Solve for x
    x = 1,194,660,260.56/42,217.12
  6. Step 6: Final answer
    x = 28,298.00

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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.