Home / 35,112.39-48,445.34-20,960.07

Finding the Fourth Proportional to 35,112.39, 48,445.34 and 20,960.07

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Solution

The fourth proportional to 35,112.39, 48,445.34 and 20,960.07 is: 28,919.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,112.39 : 48,445.34 = 20,960.07 : x
  2. Step 2: Convert to fraction form
    35,112.39/48,445.34 = 20,960.07/x
  3. Step 3: Cross multiply
    35,112.39x = 48,445.34 × 20,960.07
  4. Step 4: Simplify right side
    35,112.39x = 1,015,417,612.77
  5. Step 5: Solve for x
    x = 1,015,417,612.77/35,112.39
  6. Step 6: Final answer
    x = 28,919.07

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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.