Home / 47,020.78-70,543.32-17,447.05

Finding the Fourth Proportional to 47,020.78, 70,543.32 and 17,447.05

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Solution

The fourth proportional to 47,020.78, 70,543.32 and 17,447.05 is: 26,175.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,020.78 : 70,543.32 = 17,447.05 : x
  2. Step 2: Convert to fraction form
    47,020.78/70,543.32 = 17,447.05/x
  3. Step 3: Cross multiply
    47,020.78x = 70,543.32 × 17,447.05
  4. Step 4: Simplify right side
    47,020.78x = 1,230,772,831.21
  5. Step 5: Solve for x
    x = 1,230,772,831.21/47,020.78
  6. Step 6: Final answer
    x = 26,175.08

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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.