Home / 50,228.16-75,340.80-20,637.60

Finding the Fourth Proportional to 50,228.16, 75,340.80 and 20,637.60

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Solution

The fourth proportional to 50,228.16, 75,340.80 and 20,637.60 is: 30,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,228.16 : 75,340.80 = 20,637.60 : x
  2. Step 2: Convert to fraction form
    50,228.16/75,340.80 = 20,637.60/x
  3. Step 3: Cross multiply
    50,228.16x = 75,340.80 × 20,637.60
  4. Step 4: Simplify right side
    50,228.16x = 1,554,853,294.08
  5. Step 5: Solve for x
    x = 1,554,853,294.08/50,228.16
  6. Step 6: Final answer
    x = 30,955.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.