Home / 51,297.03-70,760.31-30,864.94

Finding the Fourth Proportional to 51,297.03, 70,760.31 and 30,864.94

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Solution

The fourth proportional to 51,297.03, 70,760.31 and 30,864.94 is: 42,575.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,297.03 : 70,760.31 = 30,864.94 : x
  2. Step 2: Convert to fraction form
    51,297.03/70,760.31 = 30,864.94/x
  3. Step 3: Cross multiply
    51,297.03x = 70,760.31 × 30,864.94
  4. Step 4: Simplify right side
    51,297.03x = 2,184,012,429.89
  5. Step 5: Solve for x
    x = 2,184,012,429.89/51,297.03
  6. Step 6: Final answer
    x = 42,575.81

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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.