Home / 54,580.38-75,319.80-30,706.80

Finding the Fourth Proportional to 54,580.38, 75,319.80 and 30,706.80

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Solution

The fourth proportional to 54,580.38, 75,319.80 and 30,706.80 is: 42,374.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,580.38 : 75,319.80 = 30,706.80 : x
  2. Step 2: Convert to fraction form
    54,580.38/75,319.80 = 30,706.80/x
  3. Step 3: Cross multiply
    54,580.38x = 75,319.80 × 30,706.80
  4. Step 4: Simplify right side
    54,580.38x = 2,312,830,034.64
  5. Step 5: Solve for x
    x = 2,312,830,034.64/54,580.38
  6. Step 6: Final answer
    x = 42,374.75

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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.