Home / 34,143-47,130.30-22,971.48

Finding the Fourth Proportional to 34,143, 47,130.30 and 22,971.48

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Solution

The fourth proportional to 34,143, 47,130.30 and 22,971.48 is: 31,709.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,143 : 47,130.30 = 22,971.48 : x
  2. Step 2: Convert to fraction form
    34,143/47,130.30 = 22,971.48/x
  3. Step 3: Cross multiply
    34,143x = 47,130.30 × 22,971.48
  4. Step 4: Simplify right side
    34,143x = 1,082,652,743.84
  5. Step 5: Solve for x
    x = 1,082,652,743.84/34,143
  6. Step 6: Final answer
    x = 31,709.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.