Home / 50,746.88-70,033.92-28,398.08

Finding the Fourth Proportional to 50,746.88, 70,033.92 and 28,398.08

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Solution

The fourth proportional to 50,746.88, 70,033.92 and 28,398.08 is: 39,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,746.88 : 70,033.92 = 28,398.08 : x
  2. Step 2: Convert to fraction form
    50,746.88/70,033.92 = 28,398.08/x
  3. Step 3: Cross multiply
    50,746.88x = 70,033.92 × 28,398.08
  4. Step 4: Simplify right side
    50,746.88x = 1,988,828,862.87
  5. Step 5: Solve for x
    x = 1,988,828,862.87/50,746.88
  6. Step 6: Final answer
    x = 39,191.16

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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.