Home / 45,909.12-63,355.86-28,000.02

Finding the Fourth Proportional to 45,909.12, 63,355.86 and 28,000.02

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Solution

The fourth proportional to 45,909.12, 63,355.86 and 28,000.02 is: 38,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,909.12 : 63,355.86 = 28,000.02 : x
  2. Step 2: Convert to fraction form
    45,909.12/63,355.86 = 28,000.02/x
  3. Step 3: Cross multiply
    45,909.12x = 63,355.86 × 28,000.02
  4. Step 4: Simplify right side
    45,909.12x = 1,773,965,347.12
  5. Step 5: Solve for x
    x = 1,773,965,347.12/45,909.12
  6. Step 6: Final answer
    x = 38,640.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.