Home / 42,223.51-63,335.22-20,024.78

Finding the Fourth Proportional to 42,223.51, 63,335.22 and 20,024.78

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Solution

The fourth proportional to 42,223.51, 63,335.22 and 20,024.78 is: 30,037.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,223.51 : 63,335.22 = 20,024.78 : x
  2. Step 2: Convert to fraction form
    42,223.51/63,335.22 = 20,024.78/x
  3. Step 3: Cross multiply
    42,223.51x = 63,335.22 × 20,024.78
  4. Step 4: Simplify right side
    42,223.51x = 1,268,273,846.75
  5. Step 5: Solve for x
    x = 1,268,273,846.75/42,223.51
  6. Step 6: Final answer
    x = 30,037.15

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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.