Home / 42,277.41-63,425.03-15,981.57

Finding the Fourth Proportional to 42,277.41, 63,425.03 and 15,981.57

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Solution

The fourth proportional to 42,277.41, 63,425.03 and 15,981.57 is: 23,975.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,277.41 : 63,425.03 = 15,981.57 : x
  2. Step 2: Convert to fraction form
    42,277.41/63,425.03 = 15,981.57/x
  3. Step 3: Cross multiply
    42,277.41x = 63,425.03 × 15,981.57
  4. Step 4: Simplify right side
    42,277.41x = 1,013,631,476.79
  5. Step 5: Solve for x
    x = 1,013,631,476.79/42,277.41
  6. Step 6: Final answer
    x = 23,975.72

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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.