Home / 29,398.90-40,570.36-15,970.04

Finding the Fourth Proportional to 29,398.90, 40,570.36 and 15,970.04

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Solution

The fourth proportional to 29,398.90, 40,570.36 and 15,970.04 is: 22,038.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,398.90 : 40,570.36 = 15,970.04 : x
  2. Step 2: Convert to fraction form
    29,398.90/40,570.36 = 15,970.04/x
  3. Step 3: Cross multiply
    29,398.90x = 40,570.36 × 15,970.04
  4. Step 4: Simplify right side
    29,398.90x = 647,910,272.01
  5. Step 5: Solve for x
    x = 647,910,272.01/29,398.90
  6. Step 6: Final answer
    x = 22,038.59

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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.