Home / 51,276.68-70,707.18-40,502.60

Finding the Fourth Proportional to 51,276.68, 70,707.18 and 40,502.60

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Solution

The fourth proportional to 51,276.68, 70,707.18 and 40,502.60 is: 55,850.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,276.68 : 70,707.18 = 40,502.60 : x
  2. Step 2: Convert to fraction form
    51,276.68/70,707.18 = 40,502.60/x
  3. Step 3: Cross multiply
    51,276.68x = 70,707.18 × 40,502.60
  4. Step 4: Simplify right side
    51,276.68x = 2,863,824,628.67
  5. Step 5: Solve for x
    x = 2,863,824,628.67/51,276.68
  6. Step 6: Final answer
    x = 55,850.43

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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.