Home / 47,868-71,812.35-14,587.18

Finding the Fourth Proportional to 47,868, 71,812.35 and 14,587.18

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Solution

The fourth proportional to 47,868, 71,812.35 and 14,587.18 is: 21,883.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,868 : 71,812.35 = 14,587.18 : x
  2. Step 2: Convert to fraction form
    47,868/71,812.35 = 14,587.18/x
  3. Step 3: Cross multiply
    47,868x = 71,812.35 × 14,587.18
  4. Step 4: Simplify right side
    47,868x = 1,047,539,675.67
  5. Step 5: Solve for x
    x = 1,047,539,675.67/47,868
  6. Step 6: Final answer
    x = 21,883.92

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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.