Home / 40,726.91-61,099.93-12,645.52

Finding the Fourth Proportional to 40,726.91, 61,099.93 and 12,645.52

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Solution

The fourth proportional to 40,726.91, 61,099.93 and 12,645.52 is: 18,971.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,726.91 : 61,099.93 = 12,645.52 : x
  2. Step 2: Convert to fraction form
    40,726.91/61,099.93 = 12,645.52/x
  3. Step 3: Cross multiply
    40,726.91x = 61,099.93 × 12,645.52
  4. Step 4: Simplify right side
    40,726.91x = 772,640,386.81
  5. Step 5: Solve for x
    x = 772,640,386.81/40,726.91
  6. Step 6: Final answer
    x = 18,971.25

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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.