Home / 57,339.49-79,130.50-31,846.26

Finding the Fourth Proportional to 57,339.49, 79,130.50 and 31,846.26

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Solution

The fourth proportional to 57,339.49, 79,130.50 and 31,846.26 is: 43,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,339.49 : 79,130.50 = 31,846.26 : x
  2. Step 2: Convert to fraction form
    57,339.49/79,130.50 = 31,846.26/x
  3. Step 3: Cross multiply
    57,339.49x = 79,130.50 × 31,846.26
  4. Step 4: Simplify right side
    57,339.49x = 2,520,010,476.93
  5. Step 5: Solve for x
    x = 2,520,010,476.93/57,339.49
  6. Step 6: Final answer
    x = 43,948.95

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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.