Home / 35,828.92-53,753.10-12,457.18

Finding the Fourth Proportional to 35,828.92, 53,753.10 and 12,457.18

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Solution

The fourth proportional to 35,828.92, 53,753.10 and 12,457.18 is: 18,689.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,828.92 : 53,753.10 = 12,457.18 : x
  2. Step 2: Convert to fraction form
    35,828.92/53,753.10 = 12,457.18/x
  3. Step 3: Cross multiply
    35,828.92x = 53,753.10 × 12,457.18
  4. Step 4: Simplify right side
    35,828.92x = 669,612,042.26
  5. Step 5: Solve for x
    x = 669,612,042.26/35,828.92
  6. Step 6: Final answer
    x = 18,689.15

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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.