Home / 50,802.16-70,115.02-30,661.92

Finding the Fourth Proportional to 50,802.16, 70,115.02 and 30,661.92

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Solution

The fourth proportional to 50,802.16, 70,115.02 and 30,661.92 is: 42,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,802.16 : 70,115.02 = 30,661.92 : x
  2. Step 2: Convert to fraction form
    50,802.16/70,115.02 = 30,661.92/x
  3. Step 3: Cross multiply
    50,802.16x = 70,115.02 × 30,661.92
  4. Step 4: Simplify right side
    50,802.16x = 2,149,861,134.04
  5. Step 5: Solve for x
    x = 2,149,861,134.04/50,802.16
  6. Step 6: Final answer
    x = 42,318.30

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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.