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Finding the Fourth Proportional to 60,281.09, 90,409.28 and 22,828.25

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Solution

The fourth proportional to 60,281.09, 90,409.28 and 22,828.25 is: 34,237.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,281.09 : 90,409.28 = 22,828.25 : x
  2. Step 2: Convert to fraction form
    60,281.09/90,409.28 = 22,828.25/x
  3. Step 3: Cross multiply
    60,281.09x = 90,409.28 × 22,828.25
  4. Step 4: Simplify right side
    60,281.09x = 2,063,885,079.97
  5. Step 5: Solve for x
    x = 2,063,885,079.97/60,281.09
  6. Step 6: Final answer
    x = 34,237.69

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1.5x scale

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.