Home / 42,022.51-63,041.27-13,944.25

Finding the Fourth Proportional to 42,022.51, 63,041.27 and 13,944.25

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Solution

The fourth proportional to 42,022.51, 63,041.27 and 13,944.25 is: 20,918.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,022.51 : 63,041.27 = 13,944.25 : x
  2. Step 2: Convert to fraction form
    42,022.51/63,041.27 = 13,944.25/x
  3. Step 3: Cross multiply
    42,022.51x = 63,041.27 × 13,944.25
  4. Step 4: Simplify right side
    42,022.51x = 879,063,229.20
  5. Step 5: Solve for x
    x = 879,063,229.20/42,022.51
  6. Step 6: Final answer
    x = 20,918.87

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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.