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Finding the Fourth Proportional to 60,287, 90,430.50 and 23,351

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Solution

The fourth proportional to 60,287, 90,430.50 and 23,351 is: 35,026.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,287 : 90,430.50 = 23,351 : x
  2. Step 2: Convert to fraction form
    60,287/90,430.50 = 23,351/x
  3. Step 3: Cross multiply
    60,287x = 90,430.50 × 23,351
  4. Step 4: Simplify right side
    60,287x = 2,111,642,605.50
  5. Step 5: Solve for x
    x = 2,111,642,605.50/60,287
  6. Step 6: Final answer
    x = 35,026.50

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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.