Home / 59,889.36-89,840.94-19,911.90

Finding the Fourth Proportional to 59,889.36, 89,840.94 and 19,911.90

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Solution

The fourth proportional to 59,889.36, 89,840.94 and 19,911.90 is: 29,870.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,889.36 : 89,840.94 = 19,911.90 : x
  2. Step 2: Convert to fraction form
    59,889.36/89,840.94 = 19,911.90/x
  3. Step 3: Cross multiply
    59,889.36x = 89,840.94 × 19,911.90
  4. Step 4: Simplify right side
    59,889.36x = 1,788,903,813.19
  5. Step 5: Solve for x
    x = 1,788,903,813.19/59,889.36
  6. Step 6: Final answer
    x = 29,870.14

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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.