Home / 63,277.20-87,339.60-36,428.40

Finding the Fourth Proportional to 63,277.20, 87,339.60 and 36,428.40

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Solution

The fourth proportional to 63,277.20, 87,339.60 and 36,428.40 is: 50,281.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,277.20 : 87,339.60 = 36,428.40 : x
  2. Step 2: Convert to fraction form
    63,277.20/87,339.60 = 36,428.40/x
  3. Step 3: Cross multiply
    63,277.20x = 87,339.60 × 36,428.40
  4. Step 4: Simplify right side
    63,277.20x = 3,181,641,884.64
  5. Step 5: Solve for x
    x = 3,181,641,884.64/63,277.20
  6. Step 6: Final answer
    x = 50,281.02

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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.