Home / 57,113.12-85,669.56-15,560

Finding the Fourth Proportional to 57,113.12, 85,669.56 and 15,560

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Solution

The fourth proportional to 57,113.12, 85,669.56 and 15,560 is: 23,339.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,113.12 : 85,669.56 = 15,560 : x
  2. Step 2: Convert to fraction form
    57,113.12/85,669.56 = 15,560/x
  3. Step 3: Cross multiply
    57,113.12x = 85,669.56 × 15,560
  4. Step 4: Simplify right side
    57,113.12x = 1,333,018,353.60
  5. Step 5: Solve for x
    x = 1,333,018,353.60/57,113.12
  6. Step 6: Final answer
    x = 23,339.97

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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.