Home / 37,886.80-52,332.96-30,743.20

Finding the Fourth Proportional to 37,886.80, 52,332.96 and 30,743.20

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Solution

The fourth proportional to 37,886.80, 52,332.96 and 30,743.20 is: 42,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,886.80 : 52,332.96 = 30,743.20 : x
  2. Step 2: Convert to fraction form
    37,886.80/52,332.96 = 30,743.20/x
  3. Step 3: Cross multiply
    37,886.80x = 52,332.96 × 30,743.20
  4. Step 4: Simplify right side
    37,886.80x = 1,608,882,655.87
  5. Step 5: Solve for x
    x = 1,608,882,655.87/37,886.80
  6. Step 6: Final answer
    x = 42,465.52

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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.