Home / 63,148.24-87,128.80-36,298.40

Finding the Fourth Proportional to 63,148.24, 87,128.80 and 36,298.40

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Solution

The fourth proportional to 63,148.24, 87,128.80 and 36,298.40 is: 50,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,148.24 : 87,128.80 = 36,298.40 : x
  2. Step 2: Convert to fraction form
    63,148.24/87,128.80 = 36,298.40/x
  3. Step 3: Cross multiply
    63,148.24x = 87,128.80 × 36,298.40
  4. Step 4: Simplify right side
    63,148.24x = 3,162,636,033.92
  5. Step 5: Solve for x
    x = 3,162,636,033.92/63,148.24
  6. Step 6: Final answer
    x = 50,082.73

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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.