Home / 55,805.56-77,011.62-30,656.68

Finding the Fourth Proportional to 55,805.56, 77,011.62 and 30,656.68

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Solution

The fourth proportional to 55,805.56, 77,011.62 and 30,656.68 is: 42,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,805.56 : 77,011.62 = 30,656.68 : x
  2. Step 2: Convert to fraction form
    55,805.56/77,011.62 = 30,656.68/x
  3. Step 3: Cross multiply
    55,805.56x = 77,011.62 × 30,656.68
  4. Step 4: Simplify right side
    55,805.56x = 2,360,920,590.62
  5. Step 5: Solve for x
    x = 2,360,920,590.62/55,805.56
  6. Step 6: Final answer
    x = 42,306.19

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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.