Home / 55,842.33-77,063.18-30,349.20

Finding the Fourth Proportional to 55,842.33, 77,063.18 and 30,349.20

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Solution

The fourth proportional to 55,842.33, 77,063.18 and 30,349.20 is: 41,882.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,842.33 : 77,063.18 = 30,349.20 : x
  2. Step 2: Convert to fraction form
    55,842.33/77,063.18 = 30,349.20/x
  3. Step 3: Cross multiply
    55,842.33x = 77,063.18 × 30,349.20
  4. Step 4: Simplify right side
    55,842.33x = 2,338,805,999.70
  5. Step 5: Solve for x
    x = 2,338,805,999.70/55,842.33
  6. Step 6: Final answer
    x = 41,882.31

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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.