Home / 62,743.10-94,114.65-21,190.10

Finding the Fourth Proportional to 62,743.10, 94,114.65 and 21,190.10

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Solution

The fourth proportional to 62,743.10, 94,114.65 and 21,190.10 is: 31,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,743.10 : 94,114.65 = 21,190.10 : x
  2. Step 2: Convert to fraction form
    62,743.10/94,114.65 = 21,190.10/x
  3. Step 3: Cross multiply
    62,743.10x = 94,114.65 × 21,190.10
  4. Step 4: Simplify right side
    62,743.10x = 1,994,298,844.97
  5. Step 5: Solve for x
    x = 1,994,298,844.97/62,743.10
  6. Step 6: Final answer
    x = 31,785.15

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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.