Home / 33,061.68-45,659.16-28,318.32

Finding the Fourth Proportional to 33,061.68, 45,659.16 and 28,318.32

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Solution

The fourth proportional to 33,061.68, 45,659.16 and 28,318.32 is: 39,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,061.68 : 45,659.16 = 28,318.32 : x
  2. Step 2: Convert to fraction form
    33,061.68/45,659.16 = 28,318.32/x
  3. Step 3: Cross multiply
    33,061.68x = 45,659.16 × 28,318.32
  4. Step 4: Simplify right side
    33,061.68x = 1,292,990,703.81
  5. Step 5: Solve for x
    x = 1,292,990,703.81/33,061.68
  6. Step 6: Final answer
    x = 39,108.44

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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.