Home / 34,237.12-47,248-20,100.16

Finding the Fourth Proportional to 34,237.12, 47,248 and 20,100.16

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Solution

The fourth proportional to 34,237.12, 47,248 and 20,100.16 is: 27,738.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,237.12 : 47,248 = 20,100.16 : x
  2. Step 2: Convert to fraction form
    34,237.12/47,248 = 20,100.16/x
  3. Step 3: Cross multiply
    34,237.12x = 47,248 × 20,100.16
  4. Step 4: Simplify right side
    34,237.12x = 949,692,359.68
  5. Step 5: Solve for x
    x = 949,692,359.68/34,237.12
  6. Step 6: Final answer
    x = 27,738.68

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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.