Home / 63,289.12-87,332.48-36,426.40

Finding the Fourth Proportional to 63,289.12, 87,332.48 and 36,426.40

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Solution

The fourth proportional to 63,289.12, 87,332.48 and 36,426.40 is: 50,264.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,289.12 : 87,332.48 = 36,426.40 : x
  2. Step 2: Convert to fraction form
    63,289.12/87,332.48 = 36,426.40/x
  3. Step 3: Cross multiply
    63,289.12x = 87,332.48 × 36,426.40
  4. Step 4: Simplify right side
    63,289.12x = 3,181,207,849.47
  5. Step 5: Solve for x
    x = 3,181,207,849.47/63,289.12
  6. Step 6: Final answer
    x = 50,264.69

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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.