Home / 40,460.64-60,690.15-18,258.14

Finding the Fourth Proportional to 40,460.64, 60,690.15 and 18,258.14

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Solution

The fourth proportional to 40,460.64, 60,690.15 and 18,258.14 is: 27,386.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,460.64 : 60,690.15 = 18,258.14 : x
  2. Step 2: Convert to fraction form
    40,460.64/60,690.15 = 18,258.14/x
  3. Step 3: Cross multiply
    40,460.64x = 60,690.15 × 18,258.14
  4. Step 4: Simplify right side
    40,460.64x = 1,108,088,951.87
  5. Step 5: Solve for x
    x = 1,108,088,951.87/40,460.64
  6. Step 6: Final answer
    x = 27,386.84

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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.