Home / 35,138.79-48,491.67-19,223.50

Finding the Fourth Proportional to 35,138.79, 48,491.67 and 19,223.50

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Solution

The fourth proportional to 35,138.79, 48,491.67 and 19,223.50 is: 26,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,138.79 : 48,491.67 = 19,223.50 : x
  2. Step 2: Convert to fraction form
    35,138.79/48,491.67 = 19,223.50/x
  3. Step 3: Cross multiply
    35,138.79x = 48,491.67 × 19,223.50
  4. Step 4: Simplify right side
    35,138.79x = 932,179,618.25
  5. Step 5: Solve for x
    x = 932,179,618.25/35,138.79
  6. Step 6: Final answer
    x = 26,528.51

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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.