Home / 35,785.04-49,374.45-21,447.14

Finding the Fourth Proportional to 35,785.04, 49,374.45 and 21,447.14

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Solution

The fourth proportional to 35,785.04, 49,374.45 and 21,447.14 is: 29,591.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,785.04 : 49,374.45 = 21,447.14 : x
  2. Step 2: Convert to fraction form
    35,785.04/49,374.45 = 21,447.14/x
  3. Step 3: Cross multiply
    35,785.04x = 49,374.45 × 21,447.14
  4. Step 4: Simplify right side
    35,785.04x = 1,058,940,741.57
  5. Step 5: Solve for x
    x = 1,058,940,741.57/35,785.04
  6. Step 6: Final answer
    x = 29,591.72

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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.