Home / 34,803.28-48,028.65-18,887.72

Finding the Fourth Proportional to 34,803.28, 48,028.65 and 18,887.72

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Solution

The fourth proportional to 34,803.28, 48,028.65 and 18,887.72 is: 26,065.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,803.28 : 48,028.65 = 18,887.72 : x
  2. Step 2: Convert to fraction form
    34,803.28/48,028.65 = 18,887.72/x
  3. Step 3: Cross multiply
    34,803.28x = 48,028.65 × 18,887.72
  4. Step 4: Simplify right side
    34,803.28x = 907,151,693.18
  5. Step 5: Solve for x
    x = 907,151,693.18/34,803.28
  6. Step 6: Final answer
    x = 26,065.12

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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.