Home / 32,740.08-49,066.20-18,704.40

Finding the Fourth Proportional to 32,740.08, 49,066.20 and 18,704.40

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Solution

The fourth proportional to 32,740.08, 49,066.20 and 18,704.40 is: 28,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,740.08 : 49,066.20 = 18,704.40 : x
  2. Step 2: Convert to fraction form
    32,740.08/49,066.20 = 18,704.40/x
  3. Step 3: Cross multiply
    32,740.08x = 49,066.20 × 18,704.40
  4. Step 4: Simplify right side
    32,740.08x = 917,753,831.28
  5. Step 5: Solve for x
    x = 917,753,831.28/32,740.08
  6. Step 6: Final answer
    x = 28,031.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.