Home / 47,403.16-71,087.29-19,307.95

Finding the Fourth Proportional to 47,403.16, 71,087.29 and 19,307.95

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Solution

The fourth proportional to 47,403.16, 71,087.29 and 19,307.95 is: 28,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,403.16 : 71,087.29 = 19,307.95 : x
  2. Step 2: Convert to fraction form
    47,403.16/71,087.29 = 19,307.95/x
  3. Step 3: Cross multiply
    47,403.16x = 71,087.29 × 19,307.95
  4. Step 4: Simplify right side
    47,403.16x = 1,372,550,014.83
  5. Step 5: Solve for x
    x = 1,372,550,014.83/47,403.16
  6. Step 6: Final answer
    x = 28,954.82

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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.