Home / 40,732.55-56,245.14-30,643.46

Finding the Fourth Proportional to 40,732.55, 56,245.14 and 30,643.46

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Solution

The fourth proportional to 40,732.55, 56,245.14 and 30,643.46 is: 42,313.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,732.55 : 56,245.14 = 30,643.46 : x
  2. Step 2: Convert to fraction form
    40,732.55/56,245.14 = 30,643.46/x
  3. Step 3: Cross multiply
    40,732.55x = 56,245.14 × 30,643.46
  4. Step 4: Simplify right side
    40,732.55x = 1,723,545,416.56
  5. Step 5: Solve for x
    x = 1,723,545,416.56/40,732.55
  6. Step 6: Final answer
    x = 42,313.72

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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.