Home / 63,122.01-87,029.58-40,423.68

Finding the Fourth Proportional to 63,122.01, 87,029.58 and 40,423.68

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Solution

The fourth proportional to 63,122.01, 87,029.58 and 40,423.68 is: 55,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,122.01 : 87,029.58 = 40,423.68 : x
  2. Step 2: Convert to fraction form
    63,122.01/87,029.58 = 40,423.68/x
  3. Step 3: Cross multiply
    63,122.01x = 87,029.58 × 40,423.68
  4. Step 4: Simplify right side
    63,122.01x = 3,518,056,175.12
  5. Step 5: Solve for x
    x = 3,518,056,175.12/63,122.01
  6. Step 6: Final answer
    x = 55,734.22

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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.