Home / 40,688.58-56,152.17-22,780.02

Finding the Fourth Proportional to 40,688.58, 56,152.17 and 22,780.02

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Solution

The fourth proportional to 40,688.58, 56,152.17 and 22,780.02 is: 31,437.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,688.58 : 56,152.17 = 22,780.02 : x
  2. Step 2: Convert to fraction form
    40,688.58/56,152.17 = 22,780.02/x
  3. Step 3: Cross multiply
    40,688.58x = 56,152.17 × 22,780.02
  4. Step 4: Simplify right side
    40,688.58x = 1,279,147,555.64
  5. Step 5: Solve for x
    x = 1,279,147,555.64/40,688.58
  6. Step 6: Final answer
    x = 31,437.51

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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.