Home / 55,518.56-76,617.42-30,368.06

Finding the Fourth Proportional to 55,518.56, 76,617.42 and 30,368.06

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Solution

The fourth proportional to 55,518.56, 76,617.42 and 30,368.06 is: 41,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,518.56 : 76,617.42 = 30,368.06 : x
  2. Step 2: Convert to fraction form
    55,518.56/76,617.42 = 30,368.06/x
  3. Step 3: Cross multiply
    55,518.56x = 76,617.42 × 30,368.06
  4. Step 4: Simplify right side
    55,518.56x = 2,326,722,407.61
  5. Step 5: Solve for x
    x = 2,326,722,407.61/55,518.56
  6. Step 6: Final answer
    x = 41,908.91

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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.