Home / 54,189.95-74,773.33-30,315.20

Finding the Fourth Proportional to 54,189.95, 74,773.33 and 30,315.20

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Solution

The fourth proportional to 54,189.95, 74,773.33 and 30,315.20 is: 41,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,189.95 : 74,773.33 = 30,315.20 : x
  2. Step 2: Convert to fraction form
    54,189.95/74,773.33 = 30,315.20/x
  3. Step 3: Cross multiply
    54,189.95x = 74,773.33 × 30,315.20
  4. Step 4: Simplify right side
    54,189.95x = 2,266,768,003.96
  5. Step 5: Solve for x
    x = 2,266,768,003.96/54,189.95
  6. Step 6: Final answer
    x = 41,830.05

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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.