Home / 39,509.84-54,523.06-22,515.10

Finding the Fourth Proportional to 39,509.84, 54,523.06 and 22,515.10

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Solution

The fourth proportional to 39,509.84, 54,523.06 and 22,515.10 is: 31,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,509.84 : 54,523.06 = 22,515.10 : x
  2. Step 2: Convert to fraction form
    39,509.84/54,523.06 = 22,515.10/x
  3. Step 3: Cross multiply
    39,509.84x = 54,523.06 × 22,515.10
  4. Step 4: Simplify right side
    39,509.84x = 1,227,591,955.61
  5. Step 5: Solve for x
    x = 1,227,591,955.61/39,509.84
  6. Step 6: Final answer
    x = 31,070.54

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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.