Home / 30,155.61-41,587.49-18,826.14

Finding the Fourth Proportional to 30,155.61, 41,587.49 and 18,826.14

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Solution

The fourth proportional to 30,155.61, 41,587.49 and 18,826.14 is: 25,963.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,155.61 : 41,587.49 = 18,826.14 : x
  2. Step 2: Convert to fraction form
    30,155.61/41,587.49 = 18,826.14/x
  3. Step 3: Cross multiply
    30,155.61x = 41,587.49 × 18,826.14
  4. Step 4: Simplify right side
    30,155.61x = 782,931,814.86
  5. Step 5: Solve for x
    x = 782,931,814.86/30,155.61
  6. Step 6: Final answer
    x = 25,963.06

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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.