Home / 31,391.31-47,069.24-10,325.66

Finding the Fourth Proportional to 31,391.31, 47,069.24 and 10,325.66

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Solution

The fourth proportional to 31,391.31, 47,069.24 and 10,325.66 is: 15,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,391.31 : 47,069.24 = 10,325.66 : x
  2. Step 2: Convert to fraction form
    31,391.31/47,069.24 = 10,325.66/x
  3. Step 3: Cross multiply
    31,391.31x = 47,069.24 × 10,325.66
  4. Step 4: Simplify right side
    31,391.31x = 486,020,681.72
  5. Step 5: Solve for x
    x = 486,020,681.72/31,391.31
  6. Step 6: Final answer
    x = 15,482.65

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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.