Home / 31,407.22-47,098.52-12,683.76

Finding the Fourth Proportional to 31,407.22, 47,098.52 and 12,683.76

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Solution

The fourth proportional to 31,407.22, 47,098.52 and 12,683.76 is: 19,020.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407.22 : 47,098.52 = 12,683.76 : x
  2. Step 2: Convert to fraction form
    31,407.22/47,098.52 = 12,683.76/x
  3. Step 3: Cross multiply
    31,407.22x = 47,098.52 × 12,683.76
  4. Step 4: Simplify right side
    31,407.22x = 597,386,324.04
  5. Step 5: Solve for x
    x = 597,386,324.04/31,407.22
  6. Step 6: Final answer
    x = 19,020.67

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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.