Home / 56,569.04-78,065.44-31,418.52

Finding the Fourth Proportional to 56,569.04, 78,065.44 and 31,418.52

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Solution

The fourth proportional to 56,569.04, 78,065.44 and 31,418.52 is: 43,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,569.04 : 78,065.44 = 31,418.52 : x
  2. Step 2: Convert to fraction form
    56,569.04/78,065.44 = 31,418.52/x
  3. Step 3: Cross multiply
    56,569.04x = 78,065.44 × 31,418.52
  4. Step 4: Simplify right side
    56,569.04x = 2,452,700,587.95
  5. Step 5: Solve for x
    x = 2,452,700,587.95/56,569.04
  6. Step 6: Final answer
    x = 43,357.65

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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.