Home / 31,390.23-47,073.76-10,324.13

Finding the Fourth Proportional to 31,390.23, 47,073.76 and 10,324.13

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Solution

The fourth proportional to 31,390.23, 47,073.76 and 10,324.13 is: 15,482.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,390.23 : 47,073.76 = 10,324.13 : x
  2. Step 2: Convert to fraction form
    31,390.23/47,073.76 = 10,324.13/x
  3. Step 3: Cross multiply
    31,390.23x = 47,073.76 × 10,324.13
  4. Step 4: Simplify right side
    31,390.23x = 485,995,356.65
  5. Step 5: Solve for x
    x = 485,995,356.65/31,390.23
  6. Step 6: Final answer
    x = 15,482.37

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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.