Home / 55,429.64-76,492.78-30,279.14

Finding the Fourth Proportional to 55,429.64, 76,492.78 and 30,279.14

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Solution

The fourth proportional to 55,429.64, 76,492.78 and 30,279.14 is: 41,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,429.64 : 76,492.78 = 30,279.14 : x
  2. Step 2: Convert to fraction form
    55,429.64/76,492.78 = 30,279.14/x
  3. Step 3: Cross multiply
    55,429.64x = 76,492.78 × 30,279.14
  4. Step 4: Simplify right side
    55,429.64x = 2,316,135,594.61
  5. Step 5: Solve for x
    x = 2,316,135,594.61/55,429.64
  6. Step 6: Final answer
    x = 41,785.15

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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.