Home / 35,966.40-53,949.60-18,470.40

Finding the Fourth Proportional to 35,966.40, 53,949.60 and 18,470.40

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Solution

The fourth proportional to 35,966.40, 53,949.60 and 18,470.40 is: 27,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,966.40 : 53,949.60 = 18,470.40 : x
  2. Step 2: Convert to fraction form
    35,966.40/53,949.60 = 18,470.40/x
  3. Step 3: Cross multiply
    35,966.40x = 53,949.60 × 18,470.40
  4. Step 4: Simplify right side
    35,966.40x = 996,470,691.84
  5. Step 5: Solve for x
    x = 996,470,691.84/35,966.40
  6. Step 6: Final answer
    x = 27,705.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.