Home / 47,754.59-71,607.16-21,436.67

Finding the Fourth Proportional to 47,754.59, 71,607.16 and 21,436.67

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Solution

The fourth proportional to 47,754.59, 71,607.16 and 21,436.67 is: 32,143.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,754.59 : 71,607.16 = 21,436.67 : x
  2. Step 2: Convert to fraction form
    47,754.59/71,607.16 = 21,436.67/x
  3. Step 3: Cross multiply
    47,754.59x = 71,607.16 × 21,436.67
  4. Step 4: Simplify right side
    47,754.59x = 1,535,019,058.56
  5. Step 5: Solve for x
    x = 1,535,019,058.56/47,754.59
  6. Step 6: Final answer
    x = 32,143.91

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1.5x scale

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.