Home / 51,639.90-77,436.81-14,695.26

Finding the Fourth Proportional to 51,639.90, 77,436.81 and 14,695.26

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Solution

The fourth proportional to 51,639.90, 77,436.81 and 14,695.26 is: 22,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,639.90 : 77,436.81 = 14,695.26 : x
  2. Step 2: Convert to fraction form
    51,639.90/77,436.81 = 14,695.26/x
  3. Step 3: Cross multiply
    51,639.90x = 77,436.81 × 14,695.26
  4. Step 4: Simplify right side
    51,639.90x = 1,137,954,056.52
  5. Step 5: Solve for x
    x = 1,137,954,056.52/51,639.90
  6. Step 6: Final answer
    x = 22,036.33

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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.