Home / 37,457.76-51,690.32-21,541.20

Finding the Fourth Proportional to 37,457.76, 51,690.32 and 21,541.20

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Solution

The fourth proportional to 37,457.76, 51,690.32 and 21,541.20 is: 29,726.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,457.76 : 51,690.32 = 21,541.20 : x
  2. Step 2: Convert to fraction form
    37,457.76/51,690.32 = 21,541.20/x
  3. Step 3: Cross multiply
    37,457.76x = 51,690.32 × 21,541.20
  4. Step 4: Simplify right side
    37,457.76x = 1,113,471,521.18
  5. Step 5: Solve for x
    x = 1,113,471,521.18/37,457.76
  6. Step 6: Final answer
    x = 29,726.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.