Home / 31,810.20-47,715.06-13,329.24

Finding the Fourth Proportional to 31,810.20, 47,715.06 and 13,329.24

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Solution

The fourth proportional to 31,810.20, 47,715.06 and 13,329.24 is: 19,993.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,810.20 : 47,715.06 = 13,329.24 : x
  2. Step 2: Convert to fraction form
    31,810.20/47,715.06 = 13,329.24/x
  3. Step 3: Cross multiply
    31,810.20x = 47,715.06 × 13,329.24
  4. Step 4: Simplify right side
    31,810.20x = 636,005,486.35
  5. Step 5: Solve for x
    x = 636,005,486.35/31,810.20
  6. Step 6: Final answer
    x = 19,993.76

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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.