Home / 37,149.40-51,269.72-21,230.76

Finding the Fourth Proportional to 37,149.40, 51,269.72 and 21,230.76

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Solution

The fourth proportional to 37,149.40, 51,269.72 and 21,230.76 is: 29,300.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,149.40 : 51,269.72 = 21,230.76 : x
  2. Step 2: Convert to fraction form
    37,149.40/51,269.72 = 21,230.76/x
  3. Step 3: Cross multiply
    37,149.40x = 51,269.72 × 21,230.76
  4. Step 4: Simplify right side
    37,149.40x = 1,088,495,120.59
  5. Step 5: Solve for x
    x = 1,088,495,120.59/37,149.40
  6. Step 6: Final answer
    x = 29,300.48

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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.