Home / 42,749.49-64,124.22-11,584.74

Finding the Fourth Proportional to 42,749.49, 64,124.22 and 11,584.74

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Solution

The fourth proportional to 42,749.49, 64,124.22 and 11,584.74 is: 17,377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,749.49 : 64,124.22 = 11,584.74 : x
  2. Step 2: Convert to fraction form
    42,749.49/64,124.22 = 11,584.74/x
  3. Step 3: Cross multiply
    42,749.49x = 64,124.22 × 11,584.74
  4. Step 4: Simplify right side
    42,749.49x = 742,862,416.40
  5. Step 5: Solve for x
    x = 742,862,416.40/42,749.49
  6. Step 6: Final answer
    x = 17,377.11

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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.