Home / 32,718.42-45,161.64-18,580.68

Finding the Fourth Proportional to 32,718.42, 45,161.64 and 18,580.68

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Solution

The fourth proportional to 32,718.42, 45,161.64 and 18,580.68 is: 25,647.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,718.42 : 45,161.64 = 18,580.68 : x
  2. Step 2: Convert to fraction form
    32,718.42/45,161.64 = 18,580.68/x
  3. Step 3: Cross multiply
    32,718.42x = 45,161.64 × 18,580.68
  4. Step 4: Simplify right side
    32,718.42x = 839,133,981.12
  5. Step 5: Solve for x
    x = 839,133,981.12/32,718.42
  6. Step 6: Final answer
    x = 25,647.14

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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.