Home / 42,277.44-63,420.34-15,630.40

Finding the Fourth Proportional to 42,277.44, 63,420.34 and 15,630.40

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Solution

The fourth proportional to 42,277.44, 63,420.34 and 15,630.40 is: 23,447.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,277.44 : 63,420.34 = 15,630.40 : x
  2. Step 2: Convert to fraction form
    42,277.44/63,420.34 = 15,630.40/x
  3. Step 3: Cross multiply
    42,277.44x = 63,420.34 × 15,630.40
  4. Step 4: Simplify right side
    42,277.44x = 991,285,282.34
  5. Step 5: Solve for x
    x = 991,285,282.34/42,277.44
  6. Step 6: Final answer
    x = 23,447.15

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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.