Home / 37,407.18-51,621.21-20,411.52

Finding the Fourth Proportional to 37,407.18, 51,621.21 and 20,411.52

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Solution

The fourth proportional to 37,407.18, 51,621.21 and 20,411.52 is: 28,167.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,407.18 : 51,621.21 = 20,411.52 : x
  2. Step 2: Convert to fraction form
    37,407.18/51,621.21 = 20,411.52/x
  3. Step 3: Cross multiply
    37,407.18x = 51,621.21 × 20,411.52
  4. Step 4: Simplify right side
    37,407.18x = 1,053,667,360.34
  5. Step 5: Solve for x
    x = 1,053,667,360.34/37,407.18
  6. Step 6: Final answer
    x = 28,167.52

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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.