Home / 39,649.86-59,456.40-14,688.90

Finding the Fourth Proportional to 39,649.86, 59,456.40 and 14,688.90

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Solution

The fourth proportional to 39,649.86, 59,456.40 and 14,688.90 is: 22,026.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,649.86 : 59,456.40 = 14,688.90 : x
  2. Step 2: Convert to fraction form
    39,649.86/59,456.40 = 14,688.90/x
  3. Step 3: Cross multiply
    39,649.86x = 59,456.40 × 14,688.90
  4. Step 4: Simplify right side
    39,649.86x = 873,349,113.96
  5. Step 5: Solve for x
    x = 873,349,113.96/39,649.86
  6. Step 6: Final answer
    x = 22,026.54

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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.