Home / 35,934.40-53,901.60-12,563.20

Finding the Fourth Proportional to 35,934.40, 53,901.60 and 12,563.20

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Solution

The fourth proportional to 35,934.40, 53,901.60 and 12,563.20 is: 18,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,934.40 : 53,901.60 = 12,563.20 : x
  2. Step 2: Convert to fraction form
    35,934.40/53,901.60 = 12,563.20/x
  3. Step 3: Cross multiply
    35,934.40x = 53,901.60 × 12,563.20
  4. Step 4: Simplify right side
    35,934.40x = 677,176,581.12
  5. Step 5: Solve for x
    x = 677,176,581.12/35,934.40
  6. Step 6: Final answer
    x = 18,844.80

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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.