Home / 47,808.18-71,712.24-14,528.12

Finding the Fourth Proportional to 47,808.18, 71,712.24 and 14,528.12

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Solution

The fourth proportional to 47,808.18, 71,712.24 and 14,528.12 is: 21,792.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,808.18 : 71,712.24 = 14,528.12 : x
  2. Step 2: Convert to fraction form
    47,808.18/71,712.24 = 14,528.12/x
  3. Step 3: Cross multiply
    47,808.18x = 71,712.24 × 14,528.12
  4. Step 4: Simplify right side
    47,808.18x = 1,041,844,028.19
  5. Step 5: Solve for x
    x = 1,041,844,028.19/47,808.18
  6. Step 6: Final answer
    x = 21,792.17

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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.