Home / 42,230.55-63,338.07-15,570.75

Finding the Fourth Proportional to 42,230.55, 63,338.07 and 15,570.75

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Solution

The fourth proportional to 42,230.55, 63,338.07 and 15,570.75 is: 23,353.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,230.55 : 63,338.07 = 15,570.75 : x
  2. Step 2: Convert to fraction form
    42,230.55/63,338.07 = 15,570.75/x
  3. Step 3: Cross multiply
    42,230.55x = 63,338.07 × 15,570.75
  4. Step 4: Simplify right side
    42,230.55x = 986,221,253.45
  5. Step 5: Solve for x
    x = 986,221,253.45/42,230.55
  6. Step 6: Final answer
    x = 23,353.27

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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.