Home / 35,661.47-49,209.40-21,318.46

Finding the Fourth Proportional to 35,661.47, 49,209.40 and 21,318.46

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Solution

The fourth proportional to 35,661.47, 49,209.40 and 21,318.46 is: 29,417.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,661.47 : 49,209.40 = 21,318.46 : x
  2. Step 2: Convert to fraction form
    35,661.47/49,209.40 = 21,318.46/x
  3. Step 3: Cross multiply
    35,661.47x = 49,209.40 × 21,318.46
  4. Step 4: Simplify right side
    35,661.47x = 1,049,068,449.20
  5. Step 5: Solve for x
    x = 1,049,068,449.20/35,661.47
  6. Step 6: Final answer
    x = 29,417.42

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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.