Home / 39,095.74-53,951.92-21,190.60

Finding the Fourth Proportional to 39,095.74, 53,951.92 and 21,190.60

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Solution

The fourth proportional to 39,095.74, 53,951.92 and 21,190.60 is: 29,242.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,095.74 : 53,951.92 = 21,190.60 : x
  2. Step 2: Convert to fraction form
    39,095.74/53,951.92 = 21,190.60/x
  3. Step 3: Cross multiply
    39,095.74x = 53,951.92 × 21,190.60
  4. Step 4: Simplify right side
    39,095.74x = 1,143,273,555.95
  5. Step 5: Solve for x
    x = 1,143,273,555.95/39,095.74
  6. Step 6: Final answer
    x = 29,242.92

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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.