Home / 54,534.78-75,257.54-30,661.55

Finding the Fourth Proportional to 54,534.78, 75,257.54 and 30,661.55

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Solution

The fourth proportional to 54,534.78, 75,257.54 and 30,661.55 is: 42,312.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,534.78 : 75,257.54 = 30,661.55 : x
  2. Step 2: Convert to fraction form
    54,534.78/75,257.54 = 30,661.55/x
  3. Step 3: Cross multiply
    54,534.78x = 75,257.54 × 30,661.55
  4. Step 4: Simplify right side
    54,534.78x = 2,307,512,693.19
  5. Step 5: Solve for x
    x = 2,307,512,693.19/54,534.78
  6. Step 6: Final answer
    x = 42,312.68

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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.