Home / 50,980.19-70,371.60-43,781.20

Finding the Fourth Proportional to 50,980.19, 70,371.60 and 43,781.20

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Solution

The fourth proportional to 50,980.19, 70,371.60 and 43,781.20 is: 60,434.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,980.19 : 70,371.60 = 43,781.20 : x
  2. Step 2: Convert to fraction form
    50,980.19/70,371.60 = 43,781.20/x
  3. Step 3: Cross multiply
    50,980.19x = 70,371.60 × 43,781.20
  4. Step 4: Simplify right side
    50,980.19x = 3,080,952,993.47
  5. Step 5: Solve for x
    x = 3,080,952,993.47/50,980.19
  6. Step 6: Final answer
    x = 60,434.32

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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.