Home / 35,420.66-48,880.56-19,505.17

Finding the Fourth Proportional to 35,420.66, 48,880.56 and 19,505.17

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Solution

The fourth proportional to 35,420.66, 48,880.56 and 19,505.17 is: 26,917.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.66 : 48,880.56 = 19,505.17 : x
  2. Step 2: Convert to fraction form
    35,420.66/48,880.56 = 19,505.17/x
  3. Step 3: Cross multiply
    35,420.66x = 48,880.56 × 19,505.17
  4. Step 4: Simplify right side
    35,420.66x = 953,423,766.74
  5. Step 5: Solve for x
    x = 953,423,766.74/35,420.66
  6. Step 6: Final answer
    x = 26,917.17

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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.