Home / 42,666.60-63,947.99-30,190.22

Finding the Fourth Proportional to 42,666.60, 63,947.99 and 30,190.22

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Solution

The fourth proportional to 42,666.60, 63,947.99 and 30,190.22 is: 45,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,666.60 : 63,947.99 = 30,190.22 : x
  2. Step 2: Convert to fraction form
    42,666.60/63,947.99 = 30,190.22/x
  3. Step 3: Cross multiply
    42,666.60x = 63,947.99 × 30,190.22
  4. Step 4: Simplify right side
    42,666.60x = 1,930,603,886.66
  5. Step 5: Solve for x
    x = 1,930,603,886.66/42,666.60
  6. Step 6: Final answer
    x = 45,248.60

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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.