Home / 47,868.84-71,795.75-18,280.10

Finding the Fourth Proportional to 47,868.84, 71,795.75 and 18,280.10

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Solution

The fourth proportional to 47,868.84, 71,795.75 and 18,280.10 is: 27,417.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,868.84 : 71,795.75 = 18,280.10 : x
  2. Step 2: Convert to fraction form
    47,868.84/71,795.75 = 18,280.10/x
  3. Step 3: Cross multiply
    47,868.84x = 71,795.75 × 18,280.10
  4. Step 4: Simplify right side
    47,868.84x = 1,312,433,577.66
  5. Step 5: Solve for x
    x = 1,312,433,577.66/47,868.84
  6. Step 6: Final answer
    x = 27,417.28

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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.