Home / 50,720.09-69,995.79-28,058.69

Finding the Fourth Proportional to 50,720.09, 69,995.79 and 28,058.69

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Solution

The fourth proportional to 50,720.09, 69,995.79 and 28,058.69 is: 38,722.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,720.09 : 69,995.79 = 28,058.69 : x
  2. Step 2: Convert to fraction form
    50,720.09/69,995.79 = 28,058.69/x
  3. Step 3: Cross multiply
    50,720.09x = 69,995.79 × 28,058.69
  4. Step 4: Simplify right side
    50,720.09x = 1,963,990,347.90
  5. Step 5: Solve for x
    x = 1,963,990,347.90/50,720.09
  6. Step 6: Final answer
    x = 38,722.14

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Double scale
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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.