Home / 63,588.16-87,752.01-39,728.68

Finding the Fourth Proportional to 63,588.16, 87,752.01 and 39,728.68

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Solution

The fourth proportional to 63,588.16, 87,752.01 and 39,728.68 is: 54,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,588.16 : 87,752.01 = 39,728.68 : x
  2. Step 2: Convert to fraction form
    63,588.16/87,752.01 = 39,728.68/x
  3. Step 3: Cross multiply
    63,588.16x = 87,752.01 × 39,728.68
  4. Step 4: Simplify right side
    63,588.16x = 3,486,271,230.78
  5. Step 5: Solve for x
    x = 3,486,271,230.78/63,588.16
  6. Step 6: Final answer
    x = 54,825.79

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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.