Home / 55,399.13-76,451.40-30,248.63

Finding the Fourth Proportional to 55,399.13, 76,451.40 and 30,248.63

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Solution

The fourth proportional to 55,399.13, 76,451.40 and 30,248.63 is: 41,743.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,399.13 : 76,451.40 = 30,248.63 : x
  2. Step 2: Convert to fraction form
    55,399.13/76,451.40 = 30,248.63/x
  3. Step 3: Cross multiply
    55,399.13x = 76,451.40 × 30,248.63
  4. Step 4: Simplify right side
    55,399.13x = 2,312,549,729.33
  5. Step 5: Solve for x
    x = 2,312,549,729.33/55,399.13
  6. Step 6: Final answer
    x = 41,743.43

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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.