Home / 47,790.10-71,586.60-28,008.70

Finding the Fourth Proportional to 47,790.10, 71,586.60 and 28,008.70

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Solution

The fourth proportional to 47,790.10, 71,586.60 and 28,008.70 is: 41,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,790.10 : 71,586.60 = 28,008.70 : x
  2. Step 2: Convert to fraction form
    47,790.10/71,586.60 = 28,008.70/x
  3. Step 3: Cross multiply
    47,790.10x = 71,586.60 × 28,008.70
  4. Step 4: Simplify right side
    47,790.10x = 2,005,047,603.42
  5. Step 5: Solve for x
    x = 2,005,047,603.42/47,790.10
  6. Step 6: Final answer
    x = 41,955.29

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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.