Home / 63,639-87,821.85-35,344.92

Finding the Fourth Proportional to 63,639, 87,821.85 and 35,344.92

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Solution

The fourth proportional to 63,639, 87,821.85 and 35,344.92 is: 48,776.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,639 : 87,821.85 = 35,344.92 : x
  2. Step 2: Convert to fraction form
    63,639/87,821.85 = 35,344.92/x
  3. Step 3: Cross multiply
    63,639x = 87,821.85 × 35,344.92
  4. Step 4: Simplify right side
    63,639x = 3,104,056,262.50
  5. Step 5: Solve for x
    x = 3,104,056,262.50/63,639
  6. Step 6: Final answer
    x = 48,776.01

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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.