Home / 32,618.10-45,012.98-18,473.68

Finding the Fourth Proportional to 32,618.10, 45,012.98 and 18,473.68

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Solution

The fourth proportional to 32,618.10, 45,012.98 and 18,473.68 is: 25,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,618.10 : 45,012.98 = 18,473.68 : x
  2. Step 2: Convert to fraction form
    32,618.10/45,012.98 = 18,473.68/x
  3. Step 3: Cross multiply
    32,618.10x = 45,012.98 × 18,473.68
  4. Step 4: Simplify right side
    32,618.10x = 831,555,342.18
  5. Step 5: Solve for x
    x = 831,555,342.18/32,618.10
  6. Step 6: Final answer
    x = 25,493.68

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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.