Home / 30,155.92-41,587.94-18,826.46

Finding the Fourth Proportional to 30,155.92, 41,587.94 and 18,826.46

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Solution

The fourth proportional to 30,155.92, 41,587.94 and 18,826.46 is: 25,963.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,155.92 : 41,587.94 = 18,826.46 : x
  2. Step 2: Convert to fraction form
    30,155.92/41,587.94 = 18,826.46/x
  3. Step 3: Cross multiply
    30,155.92x = 41,587.94 × 18,826.46
  4. Step 4: Simplify right side
    30,155.92x = 782,953,688.89
  5. Step 5: Solve for x
    x = 782,953,688.89/30,155.92
  6. Step 6: Final answer
    x = 25,963.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.