Home / 47,211.24-65,091-38,681.94

Finding the Fourth Proportional to 47,211.24, 65,091 and 38,681.94

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Solution

The fourth proportional to 47,211.24, 65,091 and 38,681.94 is: 53,331.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,211.24 : 65,091 = 38,681.94 : x
  2. Step 2: Convert to fraction form
    47,211.24/65,091 = 38,681.94/x
  3. Step 3: Cross multiply
    47,211.24x = 65,091 × 38,681.94
  4. Step 4: Simplify right side
    47,211.24x = 2,517,846,156.54
  5. Step 5: Solve for x
    x = 2,517,846,156.54/47,211.24
  6. Step 6: Final answer
    x = 53,331.50

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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.