Home / 31,450.12-47,165.18-10,386.23

Finding the Fourth Proportional to 31,450.12, 47,165.18 and 10,386.23

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Solution

The fourth proportional to 31,450.12, 47,165.18 and 10,386.23 is: 15,576.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,450.12 : 47,165.18 = 10,386.23 : x
  2. Step 2: Convert to fraction form
    31,450.12/47,165.18 = 10,386.23/x
  3. Step 3: Cross multiply
    31,450.12x = 47,165.18 × 10,386.23
  4. Step 4: Simplify right side
    31,450.12x = 489,868,407.47
  5. Step 5: Solve for x
    x = 489,868,407.47/31,450.12
  6. Step 6: Final answer
    x = 15,576.04

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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.