Home / 47,378.03-71,040.93-19,290.89

Finding the Fourth Proportional to 47,378.03, 71,040.93 and 19,290.89

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Solution

The fourth proportional to 47,378.03, 71,040.93 and 19,290.89 is: 28,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,378.03 : 71,040.93 = 19,290.89 : x
  2. Step 2: Convert to fraction form
    47,378.03/71,040.93 = 19,290.89/x
  3. Step 3: Cross multiply
    47,378.03x = 71,040.93 × 19,290.89
  4. Step 4: Simplify right side
    47,378.03x = 1,370,442,766.13
  5. Step 5: Solve for x
    x = 1,370,442,766.13/47,378.03
  6. Step 6: Final answer
    x = 28,925.70

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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.