Home / 39,390.12-59,108.76-15,693.48

Finding the Fourth Proportional to 39,390.12, 59,108.76 and 15,693.48

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Solution

The fourth proportional to 39,390.12, 59,108.76 and 15,693.48 is: 23,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,390.12 : 59,108.76 = 15,693.48 : x
  2. Step 2: Convert to fraction form
    39,390.12/59,108.76 = 15,693.48/x
  3. Step 3: Cross multiply
    39,390.12x = 59,108.76 × 15,693.48
  4. Step 4: Simplify right side
    39,390.12x = 927,622,142.88
  5. Step 5: Solve for x
    x = 927,622,142.88/39,390.12
  6. Step 6: Final answer
    x = 23,549.61

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1.5x scale

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.