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Finding the Fourth Proportional to 34,355.60, 51,540.60 and 19,552.40

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Solution

The fourth proportional to 34,355.60, 51,540.60 and 19,552.40 is: 29,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,355.60 : 51,540.60 = 19,552.40 : x
  2. Step 2: Convert to fraction form
    34,355.60/51,540.60 = 19,552.40/x
  3. Step 3: Cross multiply
    34,355.60x = 51,540.60 × 19,552.40
  4. Step 4: Simplify right side
    34,355.60x = 1,007,742,427.44
  5. Step 5: Solve for x
    x = 1,007,742,427.44/34,355.60
  6. Step 6: Final answer
    x = 29,332.70

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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.