Home / 35,871.22-53,807.10-12,497.62

Finding the Fourth Proportional to 35,871.22, 53,807.10 and 12,497.62

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Solution

The fourth proportional to 35,871.22, 53,807.10 and 12,497.62 is: 18,746.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,871.22 : 53,807.10 = 12,497.62 : x
  2. Step 2: Convert to fraction form
    35,871.22/53,807.10 = 12,497.62/x
  3. Step 3: Cross multiply
    35,871.22x = 53,807.10 × 12,497.62
  4. Step 4: Simplify right side
    35,871.22x = 672,460,689.10
  5. Step 5: Solve for x
    x = 672,460,689.10/35,871.22
  6. Step 6: Final answer
    x = 18,746.52

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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.