Home / 50,718.35-69,990.05-28,058.60

Finding the Fourth Proportional to 50,718.35, 69,990.05 and 28,058.60

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Solution

The fourth proportional to 50,718.35, 69,990.05 and 28,058.60 is: 38,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,718.35 : 69,990.05 = 28,058.60 : x
  2. Step 2: Convert to fraction form
    50,718.35/69,990.05 = 28,058.60/x
  3. Step 3: Cross multiply
    50,718.35x = 69,990.05 × 28,058.60
  4. Step 4: Simplify right side
    50,718.35x = 1,963,822,537.13
  5. Step 5: Solve for x
    x = 1,963,822,537.13/50,718.35
  6. Step 6: Final answer
    x = 38,720.16

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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.