Home / 32,905.78-45,411.06-18,001.78

Finding the Fourth Proportional to 32,905.78, 45,411.06 and 18,001.78

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Solution

The fourth proportional to 32,905.78, 45,411.06 and 18,001.78 is: 24,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,905.78 : 45,411.06 = 18,001.78 : x
  2. Step 2: Convert to fraction form
    32,905.78/45,411.06 = 18,001.78/x
  3. Step 3: Cross multiply
    32,905.78x = 45,411.06 × 18,001.78
  4. Step 4: Simplify right side
    32,905.78x = 817,479,911.69
  5. Step 5: Solve for x
    x = 817,479,911.69/32,905.78
  6. Step 6: Final answer
    x = 24,843.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.