Home / 43,042.64-64,562.28-11,877.08

Finding the Fourth Proportional to 43,042.64, 64,562.28 and 11,877.08

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Solution

The fourth proportional to 43,042.64, 64,562.28 and 11,877.08 is: 17,815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,042.64 : 64,562.28 = 11,877.08 : x
  2. Step 2: Convert to fraction form
    43,042.64/64,562.28 = 11,877.08/x
  3. Step 3: Cross multiply
    43,042.64x = 64,562.28 × 11,877.08
  4. Step 4: Simplify right side
    43,042.64x = 766,811,364.54
  5. Step 5: Solve for x
    x = 766,811,364.54/43,042.64
  6. Step 6: Final answer
    x = 17,815.16

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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.