Home / 57,298.25-79,070.07-31,804.55

Finding the Fourth Proportional to 57,298.25, 79,070.07 and 31,804.55

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Solution

The fourth proportional to 57,298.25, 79,070.07 and 31,804.55 is: 43,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,298.25 : 79,070.07 = 31,804.55 : x
  2. Step 2: Convert to fraction form
    57,298.25/79,070.07 = 31,804.55/x
  3. Step 3: Cross multiply
    57,298.25x = 79,070.07 × 31,804.55
  4. Step 4: Simplify right side
    57,298.25x = 2,514,787,599.47
  5. Step 5: Solve for x
    x = 2,514,787,599.47/57,298.25
  6. Step 6: Final answer
    x = 43,889.43

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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.