Home / 29,689.10-40,970.89-16,260.36

Finding the Fourth Proportional to 29,689.10, 40,970.89 and 16,260.36

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Solution

The fourth proportional to 29,689.10, 40,970.89 and 16,260.36 is: 22,439.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,689.10 : 40,970.89 = 16,260.36 : x
  2. Step 2: Convert to fraction form
    29,689.10/40,970.89 = 16,260.36/x
  3. Step 3: Cross multiply
    29,689.10x = 40,970.89 × 16,260.36
  4. Step 4: Simplify right side
    29,689.10x = 666,201,420.92
  5. Step 5: Solve for x
    x = 666,201,420.92/29,689.10
  6. Step 6: Final answer
    x = 22,439.26

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1.5x scale

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.