Home / 47,418.71-71,066.75-35,478.81

Finding the Fourth Proportional to 47,418.71, 71,066.75 and 35,478.81

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Solution

The fourth proportional to 47,418.71, 71,066.75 and 35,478.81 is: 53,172.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,418.71 : 71,066.75 = 35,478.81 : x
  2. Step 2: Convert to fraction form
    47,418.71/71,066.75 = 35,478.81/x
  3. Step 3: Cross multiply
    47,418.71x = 71,066.75 × 35,478.81
  4. Step 4: Simplify right side
    47,418.71x = 2,521,363,742.51
  5. Step 5: Solve for x
    x = 2,521,363,742.51/47,418.71
  6. Step 6: Final answer
    x = 53,172.33

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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.