Home / 42,894.09-64,359.36-23,149.67

Finding the Fourth Proportional to 42,894.09, 64,359.36 and 23,149.67

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Solution

The fourth proportional to 42,894.09, 64,359.36 and 23,149.67 is: 34,734.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,894.09 : 64,359.36 = 23,149.67 : x
  2. Step 2: Convert to fraction form
    42,894.09/64,359.36 = 23,149.67/x
  3. Step 3: Cross multiply
    42,894.09x = 64,359.36 × 23,149.67
  4. Step 4: Simplify right side
    42,894.09x = 1,489,897,623.61
  5. Step 5: Solve for x
    x = 1,489,897,623.61/42,894.09
  6. Step 6: Final answer
    x = 34,734.33

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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.