Home / 30,209.76-45,264.52-18,498.38

Finding the Fourth Proportional to 30,209.76, 45,264.52 and 18,498.38

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Solution

The fourth proportional to 30,209.76, 45,264.52 and 18,498.38 is: 27,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209.76 : 45,264.52 = 18,498.38 : x
  2. Step 2: Convert to fraction form
    30,209.76/45,264.52 = 18,498.38/x
  3. Step 3: Cross multiply
    30,209.76x = 45,264.52 × 18,498.38
  4. Step 4: Simplify right side
    30,209.76x = 837,320,088.28
  5. Step 5: Solve for x
    x = 837,320,088.28/30,209.76
  6. Step 6: Final answer
    x = 27,716.87

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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.