Home / 40,659.65-60,878.75-31,622.39

Finding the Fourth Proportional to 40,659.65, 60,878.75 and 31,622.39

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Solution

The fourth proportional to 40,659.65, 60,878.75 and 31,622.39 is: 47,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,659.65 : 60,878.75 = 31,622.39 : x
  2. Step 2: Convert to fraction form
    40,659.65/60,878.75 = 31,622.39/x
  3. Step 3: Cross multiply
    40,659.65x = 60,878.75 × 31,622.39
  4. Step 4: Simplify right side
    40,659.65x = 1,925,131,112.71
  5. Step 5: Solve for x
    x = 1,925,131,112.71/40,659.65
  6. Step 6: Final answer
    x = 47,347.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.