Home / 51,792.81-77,689.26-22,191.45

Finding the Fourth Proportional to 51,792.81, 77,689.26 and 22,191.45

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Solution

The fourth proportional to 51,792.81, 77,689.26 and 22,191.45 is: 33,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,792.81 : 77,689.26 = 22,191.45 : x
  2. Step 2: Convert to fraction form
    51,792.81/77,689.26 = 22,191.45/x
  3. Step 3: Cross multiply
    51,792.81x = 77,689.26 × 22,191.45
  4. Step 4: Simplify right side
    51,792.81x = 1,724,037,328.83
  5. Step 5: Solve for x
    x = 1,724,037,328.83/51,792.81
  6. Step 6: Final answer
    x = 33,287.19

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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.