Home / 42,568.48-63,847.92-11,406.24

Finding the Fourth Proportional to 42,568.48, 63,847.92 and 11,406.24

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Solution

The fourth proportional to 42,568.48, 63,847.92 and 11,406.24 is: 17,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,568.48 : 63,847.92 = 11,406.24 : x
  2. Step 2: Convert to fraction form
    42,568.48/63,847.92 = 11,406.24/x
  3. Step 3: Cross multiply
    42,568.48x = 63,847.92 × 11,406.24
  4. Step 4: Simplify right side
    42,568.48x = 728,264,699.02
  5. Step 5: Solve for x
    x = 728,264,699.02/42,568.48
  6. Step 6: Final answer
    x = 17,108.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.