Home / 50,845.28-70,170.18-30,707.08

Finding the Fourth Proportional to 50,845.28, 70,170.18 and 30,707.08

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Solution

The fourth proportional to 50,845.28, 70,170.18 and 30,707.08 is: 42,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,845.28 : 70,170.18 = 30,707.08 : x
  2. Step 2: Convert to fraction form
    50,845.28/70,170.18 = 30,707.08/x
  3. Step 3: Cross multiply
    50,845.28x = 70,170.18 × 30,707.08
  4. Step 4: Simplify right side
    50,845.28x = 2,154,721,330.87
  5. Step 5: Solve for x
    x = 2,154,721,330.87/50,845.28
  6. Step 6: Final answer
    x = 42,378.00

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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.