Home / 40,719.65-56,189.32-22,810.86

Finding the Fourth Proportional to 40,719.65, 56,189.32 and 22,810.86

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Solution

The fourth proportional to 40,719.65, 56,189.32 and 22,810.86 is: 31,476.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,719.65 : 56,189.32 = 22,810.86 : x
  2. Step 2: Convert to fraction form
    40,719.65/56,189.32 = 22,810.86/x
  3. Step 3: Cross multiply
    40,719.65x = 56,189.32 × 22,810.86
  4. Step 4: Simplify right side
    40,719.65x = 1,281,726,654.99
  5. Step 5: Solve for x
    x = 1,281,726,654.99/40,719.65
  6. Step 6: Final answer
    x = 31,476.86

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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.