Home / 55,590.03-76,713.48-30,439.53

Finding the Fourth Proportional to 55,590.03, 76,713.48 and 30,439.53

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Solution

The fourth proportional to 55,590.03, 76,713.48 and 30,439.53 is: 42,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,590.03 : 76,713.48 = 30,439.53 : x
  2. Step 2: Convert to fraction form
    55,590.03/76,713.48 = 30,439.53/x
  3. Step 3: Cross multiply
    55,590.03x = 76,713.48 × 30,439.53
  4. Step 4: Simplify right side
    55,590.03x = 2,335,122,275.86
  5. Step 5: Solve for x
    x = 2,335,122,275.86/55,590.03
  6. Step 6: Final answer
    x = 42,006.13

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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.