Home / 40,719.34-56,191.54-22,815.42

Finding the Fourth Proportional to 40,719.34, 56,191.54 and 22,815.42

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Solution

The fourth proportional to 40,719.34, 56,191.54 and 22,815.42 is: 31,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,719.34 : 56,191.54 = 22,815.42 : x
  2. Step 2: Convert to fraction form
    40,719.34/56,191.54 = 22,815.42/x
  3. Step 3: Cross multiply
    40,719.34x = 56,191.54 × 22,815.42
  4. Step 4: Simplify right side
    40,719.34x = 1,282,033,585.55
  5. Step 5: Solve for x
    x = 1,282,033,585.55/40,719.34
  6. Step 6: Final answer
    x = 31,484.64

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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.