Home / 55,339.68-76,368.96-31,474.20

Finding the Fourth Proportional to 55,339.68, 76,368.96 and 31,474.20

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Solution

The fourth proportional to 55,339.68, 76,368.96 and 31,474.20 is: 43,434.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,339.68 : 76,368.96 = 31,474.20 : x
  2. Step 2: Convert to fraction form
    55,339.68/76,368.96 = 31,474.20/x
  3. Step 3: Cross multiply
    55,339.68x = 76,368.96 × 31,474.20
  4. Step 4: Simplify right side
    55,339.68x = 2,403,651,920.83
  5. Step 5: Solve for x
    x = 2,403,651,920.83/55,339.68
  6. Step 6: Final answer
    x = 43,434.51

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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.