Home / 35,340.64-52,990.96-11,641.78

Finding the Fourth Proportional to 35,340.64, 52,990.96 and 11,641.78

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Solution

The fourth proportional to 35,340.64, 52,990.96 and 11,641.78 is: 17,456.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,340.64 : 52,990.96 = 11,641.78 : x
  2. Step 2: Convert to fraction form
    35,340.64/52,990.96 = 11,641.78/x
  3. Step 3: Cross multiply
    35,340.64x = 52,990.96 × 11,641.78
  4. Step 4: Simplify right side
    35,340.64x = 616,909,098.31
  5. Step 5: Solve for x
    x = 616,909,098.31/35,340.64
  6. Step 6: Final answer
    x = 17,456.08

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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.