Home / 39,060.02-53,902.97-21,154.97

Finding the Fourth Proportional to 39,060.02, 53,902.97 and 21,154.97

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Solution

The fourth proportional to 39,060.02, 53,902.97 and 21,154.97 is: 29,193.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,060.02 : 53,902.97 = 21,154.97 : x
  2. Step 2: Convert to fraction form
    39,060.02/53,902.97 = 21,154.97/x
  3. Step 3: Cross multiply
    39,060.02x = 53,902.97 × 21,154.97
  4. Step 4: Simplify right side
    39,060.02x = 1,140,315,821.57
  5. Step 5: Solve for x
    x = 1,140,315,821.57/39,060.02
  6. Step 6: Final answer
    x = 29,193.94

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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.