Home / 57,561.04-86,335.32-15,445.36

Finding the Fourth Proportional to 57,561.04, 86,335.32 and 15,445.36

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Solution

The fourth proportional to 57,561.04, 86,335.32 and 15,445.36 is: 23,166.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,561.04 : 86,335.32 = 15,445.36 : x
  2. Step 2: Convert to fraction form
    57,561.04/86,335.32 = 15,445.36/x
  3. Step 3: Cross multiply
    57,561.04x = 86,335.32 × 15,445.36
  4. Step 4: Simplify right side
    57,561.04x = 1,333,480,098.12
  5. Step 5: Solve for x
    x = 1,333,480,098.12/57,561.04
  6. Step 6: Final answer
    x = 23,166.37

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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.