Home / 60,909.55-91,363.35-18,215.08

Finding the Fourth Proportional to 60,909.55, 91,363.35 and 18,215.08

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Solution

The fourth proportional to 60,909.55, 91,363.35 and 18,215.08 is: 27,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,909.55 : 91,363.35 = 18,215.08 : x
  2. Step 2: Convert to fraction form
    60,909.55/91,363.35 = 18,215.08/x
  3. Step 3: Cross multiply
    60,909.55x = 91,363.35 × 18,215.08
  4. Step 4: Simplify right side
    60,909.55x = 1,664,190,729.32
  5. Step 5: Solve for x
    x = 1,664,190,729.32/60,909.55
  6. Step 6: Final answer
    x = 27,322.33

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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.