Home / 43,347-59,823.28-31,257.44

Finding the Fourth Proportional to 43,347, 59,823.28 and 31,257.44

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Solution

The fourth proportional to 43,347, 59,823.28 and 31,257.44 is: 43,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,347 : 59,823.28 = 31,257.44 : x
  2. Step 2: Convert to fraction form
    43,347/59,823.28 = 31,257.44/x
  3. Step 3: Cross multiply
    43,347x = 59,823.28 × 31,257.44
  4. Step 4: Simplify right side
    43,347x = 1,869,922,585.20
  5. Step 5: Solve for x
    x = 1,869,922,585.20/43,347
  6. Step 6: Final answer
    x = 43,138.45

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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.