Home / 47,129.94-70,705.37-15,549.80

Finding the Fourth Proportional to 47,129.94, 70,705.37 and 15,549.80

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Solution

The fourth proportional to 47,129.94, 70,705.37 and 15,549.80 is: 23,328.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,129.94 : 70,705.37 = 15,549.80 : x
  2. Step 2: Convert to fraction form
    47,129.94/70,705.37 = 15,549.80/x
  3. Step 3: Cross multiply
    47,129.94x = 70,705.37 × 15,549.80
  4. Step 4: Simplify right side
    47,129.94x = 1,099,454,047.77
  5. Step 5: Solve for x
    x = 1,099,454,047.77/47,129.94
  6. Step 6: Final answer
    x = 23,328.14

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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.