Home / 31,463.40-47,195.10-10,686.90

Finding the Fourth Proportional to 31,463.40, 47,195.10 and 10,686.90

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Solution

The fourth proportional to 31,463.40, 47,195.10 and 10,686.90 is: 16,030.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,463.40 : 47,195.10 = 10,686.90 : x
  2. Step 2: Convert to fraction form
    31,463.40/47,195.10 = 10,686.90/x
  3. Step 3: Cross multiply
    31,463.40x = 47,195.10 × 10,686.90
  4. Step 4: Simplify right side
    31,463.40x = 504,369,314.19
  5. Step 5: Solve for x
    x = 504,369,314.19/31,463.40
  6. Step 6: Final answer
    x = 16,030.35

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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.