Home / 43,878.16-60,488.88-31,281.04

Finding the Fourth Proportional to 43,878.16, 60,488.88 and 31,281.04

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Solution

The fourth proportional to 43,878.16, 60,488.88 and 31,281.04 is: 43,122.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,878.16 : 60,488.88 = 31,281.04 : x
  2. Step 2: Convert to fraction form
    43,878.16/60,488.88 = 31,281.04/x
  3. Step 3: Cross multiply
    43,878.16x = 60,488.88 × 31,281.04
  4. Step 4: Simplify right side
    43,878.16x = 1,892,155,074.84
  5. Step 5: Solve for x
    x = 1,892,155,074.84/43,878.16
  6. Step 6: Final answer
    x = 43,122.94

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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.