Home / 32,989.36-45,531.41-18,842.20

Finding the Fourth Proportional to 32,989.36, 45,531.41 and 18,842.20

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Solution

The fourth proportional to 32,989.36, 45,531.41 and 18,842.20 is: 26,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989.36 : 45,531.41 = 18,842.20 : x
  2. Step 2: Convert to fraction form
    32,989.36/45,531.41 = 18,842.20/x
  3. Step 3: Cross multiply
    32,989.36x = 45,531.41 × 18,842.20
  4. Step 4: Simplify right side
    32,989.36x = 857,911,933.50
  5. Step 5: Solve for x
    x = 857,911,933.50/32,989.36
  6. Step 6: Final answer
    x = 26,005.72

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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.