Home / 35,589.54-49,110.30-20,478.18

Finding the Fourth Proportional to 35,589.54, 49,110.30 and 20,478.18

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Solution

The fourth proportional to 35,589.54, 49,110.30 and 20,478.18 is: 28,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,589.54 : 49,110.30 = 20,478.18 : x
  2. Step 2: Convert to fraction form
    35,589.54/49,110.30 = 20,478.18/x
  3. Step 3: Cross multiply
    35,589.54x = 49,110.30 × 20,478.18
  4. Step 4: Simplify right side
    35,589.54x = 1,005,689,563.25
  5. Step 5: Solve for x
    x = 1,005,689,563.25/35,589.54
  6. Step 6: Final answer
    x = 28,258.01

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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.