Home / 32,776.21-45,230.16-18,436.68

Finding the Fourth Proportional to 32,776.21, 45,230.16 and 18,436.68

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Solution

The fourth proportional to 32,776.21, 45,230.16 and 18,436.68 is: 25,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,776.21 : 45,230.16 = 18,436.68 : x
  2. Step 2: Convert to fraction form
    32,776.21/45,230.16 = 18,436.68/x
  3. Step 3: Cross multiply
    32,776.21x = 45,230.16 × 18,436.68
  4. Step 4: Simplify right side
    32,776.21x = 833,894,055.41
  5. Step 5: Solve for x
    x = 833,894,055.41/32,776.21
  6. Step 6: Final answer
    x = 25,442.05

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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.