Home / 42,119.89-63,189.55-22,417.45

Finding the Fourth Proportional to 42,119.89, 63,189.55 and 22,417.45

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Solution

The fourth proportional to 42,119.89, 63,189.55 and 22,417.45 is: 33,631.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,119.89 : 63,189.55 = 22,417.45 : x
  2. Step 2: Convert to fraction form
    42,119.89/63,189.55 = 22,417.45/x
  3. Step 3: Cross multiply
    42,119.89x = 63,189.55 × 22,417.45
  4. Step 4: Simplify right side
    42,119.89x = 1,416,548,261.70
  5. Step 5: Solve for x
    x = 1,416,548,261.70/42,119.89
  6. Step 6: Final answer
    x = 33,631.34

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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.