Home / 62,419.10-93,628.65-20,866.10

Finding the Fourth Proportional to 62,419.10, 93,628.65 and 20,866.10

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Solution

The fourth proportional to 62,419.10, 93,628.65 and 20,866.10 is: 31,299.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,419.10 : 93,628.65 = 20,866.10 : x
  2. Step 2: Convert to fraction form
    62,419.10/93,628.65 = 20,866.10/x
  3. Step 3: Cross multiply
    62,419.10x = 93,628.65 × 20,866.10
  4. Step 4: Simplify right side
    62,419.10x = 1,953,664,773.77
  5. Step 5: Solve for x
    x = 1,953,664,773.77/62,419.10
  6. Step 6: Final answer
    x = 31,299.15

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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.