Home / 31,641.04-47,462.28-10,864.72

Finding the Fourth Proportional to 31,641.04, 47,462.28 and 10,864.72

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Solution

The fourth proportional to 31,641.04, 47,462.28 and 10,864.72 is: 16,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641.04 : 47,462.28 = 10,864.72 : x
  2. Step 2: Convert to fraction form
    31,641.04/47,462.28 = 10,864.72/x
  3. Step 3: Cross multiply
    31,641.04x = 47,462.28 × 10,864.72
  4. Step 4: Simplify right side
    31,641.04x = 515,664,382.76
  5. Step 5: Solve for x
    x = 515,664,382.76/31,641.04
  6. Step 6: Final answer
    x = 16,297.33

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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.