Home / 39,990.12-59,983.02-15,028.26

Finding the Fourth Proportional to 39,990.12, 59,983.02 and 15,028.26

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Solution

The fourth proportional to 39,990.12, 59,983.02 and 15,028.26 is: 22,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,990.12 : 59,983.02 = 15,028.26 : x
  2. Step 2: Convert to fraction form
    39,990.12/59,983.02 = 15,028.26/x
  3. Step 3: Cross multiply
    39,990.12x = 59,983.02 × 15,028.26
  4. Step 4: Simplify right side
    39,990.12x = 901,440,420.15
  5. Step 5: Solve for x
    x = 901,440,420.15/39,990.12
  6. Step 6: Final answer
    x = 22,541.58

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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.