Home / 32,981.24-45,513.44-18,445.39

Finding the Fourth Proportional to 32,981.24, 45,513.44 and 18,445.39

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Solution

The fourth proportional to 32,981.24, 45,513.44 and 18,445.39 is: 25,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,981.24 : 45,513.44 = 18,445.39 : x
  2. Step 2: Convert to fraction form
    32,981.24/45,513.44 = 18,445.39/x
  3. Step 3: Cross multiply
    32,981.24x = 45,513.44 × 18,445.39
  4. Step 4: Simplify right side
    32,981.24x = 839,513,117.96
  5. Step 5: Solve for x
    x = 839,513,117.96/32,981.24
  6. Step 6: Final answer
    x = 25,454.26

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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.