Home / 42,063.85-63,101.58-15,406.39

Finding the Fourth Proportional to 42,063.85, 63,101.58 and 15,406.39

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Solution

The fourth proportional to 42,063.85, 63,101.58 and 15,406.39 is: 23,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,063.85 : 63,101.58 = 15,406.39 : x
  2. Step 2: Convert to fraction form
    42,063.85/63,101.58 = 15,406.39/x
  3. Step 3: Cross multiply
    42,063.85x = 63,101.58 × 15,406.39
  4. Step 4: Simplify right side
    42,063.85x = 972,167,551.10
  5. Step 5: Solve for x
    x = 972,167,551.10/42,063.85
  6. Step 6: Final answer
    x = 23,111.71

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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.