Home / 57,458.19-79,290.78-31,963.23

Finding the Fourth Proportional to 57,458.19, 79,290.78 and 31,963.23

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Solution

The fourth proportional to 57,458.19, 79,290.78 and 31,963.23 is: 44,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,458.19 : 79,290.78 = 31,963.23 : x
  2. Step 2: Convert to fraction form
    57,458.19/79,290.78 = 31,963.23/x
  3. Step 3: Cross multiply
    57,458.19x = 79,290.78 × 31,963.23
  4. Step 4: Simplify right side
    57,458.19x = 2,534,389,438.02
  5. Step 5: Solve for x
    x = 2,534,389,438.02/57,458.19
  6. Step 6: Final answer
    x = 44,108.41

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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.