Home / 37,211.29-51,352.14-20,215.87

Finding the Fourth Proportional to 37,211.29, 51,352.14 and 20,215.87

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Solution

The fourth proportional to 37,211.29, 51,352.14 and 20,215.87 is: 27,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,211.29 : 51,352.14 = 20,215.87 : x
  2. Step 2: Convert to fraction form
    37,211.29/51,352.14 = 20,215.87/x
  3. Step 3: Cross multiply
    37,211.29x = 51,352.14 × 20,215.87
  4. Step 4: Simplify right side
    37,211.29x = 1,038,128,186.46
  5. Step 5: Solve for x
    x = 1,038,128,186.46/37,211.29
  6. Step 6: Final answer
    x = 27,898.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.