Home / 51,541.16-77,238.83-21,929.18

Finding the Fourth Proportional to 51,541.16, 77,238.83 and 21,929.18

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Solution

The fourth proportional to 51,541.16, 77,238.83 and 21,929.18 is: 32,862.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,541.16 : 77,238.83 = 21,929.18 : x
  2. Step 2: Convert to fraction form
    51,541.16/77,238.83 = 21,929.18/x
  3. Step 3: Cross multiply
    51,541.16x = 77,238.83 × 21,929.18
  4. Step 4: Simplify right side
    51,541.16x = 1,693,783,710.22
  5. Step 5: Solve for x
    x = 1,693,783,710.22/51,541.16
  6. Step 6: Final answer
    x = 32,862.74

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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.