Home / 69,265.60-103,898.50-19,345.70

Finding the Fourth Proportional to 69,265.60, 103,898.50 and 19,345.70

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Solution

The fourth proportional to 69,265.60, 103,898.50 and 19,345.70 is: 29,018.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,265.60 : 103,898.50 = 19,345.70 : x
  2. Step 2: Convert to fraction form
    69,265.60/103,898.50 = 19,345.70/x
  3. Step 3: Cross multiply
    69,265.60x = 103,898.50 × 19,345.70
  4. Step 4: Simplify right side
    69,265.60x = 2,009,989,422.83
  5. Step 5: Solve for x
    x = 2,009,989,422.83/69,265.60
  6. Step 6: Final answer
    x = 29,018.58

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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.