Home / 37,400.95-51,613.61-20,405.33

Finding the Fourth Proportional to 37,400.95, 51,613.61 and 20,405.33

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Solution

The fourth proportional to 37,400.95, 51,613.61 and 20,405.33 is: 28,159.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,400.95 : 51,613.61 = 20,405.33 : x
  2. Step 2: Convert to fraction form
    37,400.95/51,613.61 = 20,405.33/x
  3. Step 3: Cross multiply
    37,400.95x = 51,613.61 × 20,405.33
  4. Step 4: Simplify right side
    37,400.95x = 1,053,192,384.45
  5. Step 5: Solve for x
    x = 1,053,192,384.45/37,400.95
  6. Step 6: Final answer
    x = 28,159.51

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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.