Home / 43,042.32-64,521.09-18,089.46

Finding the Fourth Proportional to 43,042.32, 64,521.09 and 18,089.46

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Solution

The fourth proportional to 43,042.32, 64,521.09 and 18,089.46 is: 27,116.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,042.32 : 64,521.09 = 18,089.46 : x
  2. Step 2: Convert to fraction form
    43,042.32/64,521.09 = 18,089.46/x
  3. Step 3: Cross multiply
    43,042.32x = 64,521.09 × 18,089.46
  4. Step 4: Simplify right side
    43,042.32x = 1,167,151,676.71
  5. Step 5: Solve for x
    x = 1,167,151,676.71/43,042.32
  6. Step 6: Final answer
    x = 27,116.37

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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.