Home / 54,531.79-75,253.78-30,658.51

Finding the Fourth Proportional to 54,531.79, 75,253.78 and 30,658.51

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Solution

The fourth proportional to 54,531.79, 75,253.78 and 30,658.51 is: 42,308.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,531.79 : 75,253.78 = 30,658.51 : x
  2. Step 2: Convert to fraction form
    54,531.79/75,253.78 = 30,658.51/x
  3. Step 3: Cross multiply
    54,531.79x = 75,253.78 × 30,658.51
  4. Step 4: Simplify right side
    54,531.79x = 2,307,168,766.67
  5. Step 5: Solve for x
    x = 2,307,168,766.67/54,531.79
  6. Step 6: Final answer
    x = 42,308.69

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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.