Home / 47,020.11-70,513.76-20,710.50

Finding the Fourth Proportional to 47,020.11, 70,513.76 and 20,710.50

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Solution

The fourth proportional to 47,020.11, 70,513.76 and 20,710.50 is: 31,058.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,020.11 : 70,513.76 = 20,710.50 : x
  2. Step 2: Convert to fraction form
    47,020.11/70,513.76 = 20,710.50/x
  3. Step 3: Cross multiply
    47,020.11x = 70,513.76 × 20,710.50
  4. Step 4: Simplify right side
    47,020.11x = 1,460,375,278.26
  5. Step 5: Solve for x
    x = 1,460,375,278.26/47,020.11
  6. Step 6: Final answer
    x = 31,058.53

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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.