Home / 35,705.70-49,275.81-20,598.39

Finding the Fourth Proportional to 35,705.70, 49,275.81 and 20,598.39

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Solution

The fourth proportional to 35,705.70, 49,275.81 and 20,598.39 is: 28,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,705.70 : 49,275.81 = 20,598.39 : x
  2. Step 2: Convert to fraction form
    35,705.70/49,275.81 = 20,598.39/x
  3. Step 3: Cross multiply
    35,705.70x = 49,275.81 × 20,598.39
  4. Step 4: Simplify right side
    35,705.70x = 1,015,002,351.95
  5. Step 5: Solve for x
    x = 1,015,002,351.95/35,705.70
  6. Step 6: Final answer
    x = 28,426.90

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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.