Home / 47,945.11-66,172.05-28,844.19

Finding the Fourth Proportional to 47,945.11, 66,172.05 and 28,844.19

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Solution

The fourth proportional to 47,945.11, 66,172.05 and 28,844.19 is: 39,809.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,945.11 : 66,172.05 = 28,844.19 : x
  2. Step 2: Convert to fraction form
    47,945.11/66,172.05 = 28,844.19/x
  3. Step 3: Cross multiply
    47,945.11x = 66,172.05 × 28,844.19
  4. Step 4: Simplify right side
    47,945.11x = 1,908,679,339.77
  5. Step 5: Solve for x
    x = 1,908,679,339.77/47,945.11
  6. Step 6: Final answer
    x = 39,809.68

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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.