Home / 63,289.11-87,347.67-38,133.75

Finding the Fourth Proportional to 63,289.11, 87,347.67 and 38,133.75

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Solution

The fourth proportional to 63,289.11, 87,347.67 and 38,133.75 is: 52,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,289.11 : 87,347.67 = 38,133.75 : x
  2. Step 2: Convert to fraction form
    63,289.11/87,347.67 = 38,133.75/x
  3. Step 3: Cross multiply
    63,289.11x = 87,347.67 × 38,133.75
  4. Step 4: Simplify right side
    63,289.11x = 3,330,894,210.86
  5. Step 5: Solve for x
    x = 3,330,894,210.86/63,289.11
  6. Step 6: Final answer
    x = 52,629.82

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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.