Home / 42,431.54-63,647.28-10,841.66

Finding the Fourth Proportional to 42,431.54, 63,647.28 and 10,841.66

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Solution

The fourth proportional to 42,431.54, 63,647.28 and 10,841.66 is: 16,262.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,431.54 : 63,647.28 = 10,841.66 : x
  2. Step 2: Convert to fraction form
    42,431.54/63,647.28 = 10,841.66/x
  3. Step 3: Cross multiply
    42,431.54x = 63,647.28 × 10,841.66
  4. Step 4: Simplify right side
    42,431.54x = 690,041,851.45
  5. Step 5: Solve for x
    x = 690,041,851.45/42,431.54
  6. Step 6: Final answer
    x = 16,262.48

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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.