Home / 54,354.80-75,002.40-30,155.45

Finding the Fourth Proportional to 54,354.80, 75,002.40 and 30,155.45

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Solution

The fourth proportional to 54,354.80, 75,002.40 and 30,155.45 is: 41,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,354.80 : 75,002.40 = 30,155.45 : x
  2. Step 2: Convert to fraction form
    54,354.80/75,002.40 = 30,155.45/x
  3. Step 3: Cross multiply
    54,354.80x = 75,002.40 × 30,155.45
  4. Step 4: Simplify right side
    54,354.80x = 2,261,730,748.07
  5. Step 5: Solve for x
    x = 2,261,730,748.07/54,354.80
  6. Step 6: Final answer
    x = 41,610.51

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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.