Home / 50,880.02-70,218.02-28,221.16

Finding the Fourth Proportional to 50,880.02, 70,218.02 and 28,221.16

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Solution

The fourth proportional to 50,880.02, 70,218.02 and 28,221.16 is: 38,947.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,880.02 : 70,218.02 = 28,221.16 : x
  2. Step 2: Convert to fraction form
    50,880.02/70,218.02 = 28,221.16/x
  3. Step 3: Cross multiply
    50,880.02x = 70,218.02 × 28,221.16
  4. Step 4: Simplify right side
    50,880.02x = 1,981,633,977.30
  5. Step 5: Solve for x
    x = 1,981,633,977.30/50,880.02
  6. Step 6: Final answer
    x = 38,947.19

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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.