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Finding the Fourth Proportional to 35,307.24, 48,724.11 and 19,391.28

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Solution

The fourth proportional to 35,307.24, 48,724.11 and 19,391.28 is: 26,760.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,307.24 : 48,724.11 = 19,391.28 : x
  2. Step 2: Convert to fraction form
    35,307.24/48,724.11 = 19,391.28/x
  3. Step 3: Cross multiply
    35,307.24x = 48,724.11 × 19,391.28
  4. Step 4: Simplify right side
    35,307.24x = 944,822,859.76
  5. Step 5: Solve for x
    x = 944,822,859.76/35,307.24
  6. Step 6: Final answer
    x = 26,760.03

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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.