Home / 37,387.20-51,594.72-20,621.76

Finding the Fourth Proportional to 37,387.20, 51,594.72 and 20,621.76

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Solution

The fourth proportional to 37,387.20, 51,594.72 and 20,621.76 is: 28,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,387.20 : 51,594.72 = 20,621.76 : x
  2. Step 2: Convert to fraction form
    37,387.20/51,594.72 = 20,621.76/x
  3. Step 3: Cross multiply
    37,387.20x = 51,594.72 × 20,621.76
  4. Step 4: Simplify right side
    37,387.20x = 1,063,973,933.11
  5. Step 5: Solve for x
    x = 1,063,973,933.11/37,387.20
  6. Step 6: Final answer
    x = 28,458.24

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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.