Home / 35,059.09-48,387.78-20,718.31

Finding the Fourth Proportional to 35,059.09, 48,387.78 and 20,718.31

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Solution

The fourth proportional to 35,059.09, 48,387.78 and 20,718.31 is: 28,594.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,059.09 : 48,387.78 = 20,718.31 : x
  2. Step 2: Convert to fraction form
    35,059.09/48,387.78 = 20,718.31/x
  3. Step 3: Cross multiply
    35,059.09x = 48,387.78 × 20,718.31
  4. Step 4: Simplify right side
    35,059.09x = 1,002,513,026.25
  5. Step 5: Solve for x
    x = 1,002,513,026.25/35,059.09
  6. Step 6: Final answer
    x = 28,594.95

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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.