Home / 39,510.92-54,528.82-21,608.66

Finding the Fourth Proportional to 39,510.92, 54,528.82 and 21,608.66

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Solution

The fourth proportional to 39,510.92, 54,528.82 and 21,608.66 is: 29,822.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,510.92 : 54,528.82 = 21,608.66 : x
  2. Step 2: Convert to fraction form
    39,510.92/54,528.82 = 21,608.66/x
  3. Step 3: Cross multiply
    39,510.92x = 54,528.82 × 21,608.66
  4. Step 4: Simplify right side
    39,510.92x = 1,178,294,731.58
  5. Step 5: Solve for x
    x = 1,178,294,731.58/39,510.92
  6. Step 6: Final answer
    x = 29,822.00

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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.