Home / 56,455.71-84,734.34-30,182.91

Finding the Fourth Proportional to 56,455.71, 84,734.34 and 30,182.91

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Solution

The fourth proportional to 56,455.71, 84,734.34 and 30,182.91 is: 45,301.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,455.71 : 84,734.34 = 30,182.91 : x
  2. Step 2: Convert to fraction form
    56,455.71/84,734.34 = 30,182.91/x
  3. Step 3: Cross multiply
    56,455.71x = 84,734.34 × 30,182.91
  4. Step 4: Simplify right side
    56,455.71x = 2,557,528,958.13
  5. Step 5: Solve for x
    x = 2,557,528,958.13/56,455.71
  6. Step 6: Final answer
    x = 45,301.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.