Home / 77,015.21-115,521.90-24,425.15

Finding the Fourth Proportional to 77,015.21, 115,521.90 and 24,425.15

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Solution

The fourth proportional to 77,015.21, 115,521.90 and 24,425.15 is: 36,637.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,015.21 : 115,521.90 = 24,425.15 : x
  2. Step 2: Convert to fraction form
    77,015.21/115,521.90 = 24,425.15/x
  3. Step 3: Cross multiply
    77,015.21x = 115,521.90 × 24,425.15
  4. Step 4: Simplify right side
    77,015.21x = 2,821,639,066.58
  5. Step 5: Solve for x
    x = 2,821,639,066.58/77,015.21
  6. Step 6: Final answer
    x = 36,637.43

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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.