Home / 53,888.76-81,015.57-43,432.16

Finding the Fourth Proportional to 53,888.76, 81,015.57 and 43,432.16

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Solution

The fourth proportional to 53,888.76, 81,015.57 and 43,432.16 is: 65,295.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,888.76 : 81,015.57 = 43,432.16 : x
  2. Step 2: Convert to fraction form
    53,888.76/81,015.57 = 43,432.16/x
  3. Step 3: Cross multiply
    53,888.76x = 81,015.57 × 43,432.16
  4. Step 4: Simplify right side
    53,888.76x = 3,518,680,793.65
  5. Step 5: Solve for x
    x = 3,518,680,793.65/53,888.76
  6. Step 6: Final answer
    x = 65,295.26

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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.