Home / 45,145.74-62,311.49-30,039.04

Finding the Fourth Proportional to 45,145.74, 62,311.49 and 30,039.04

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Solution

The fourth proportional to 45,145.74, 62,311.49 and 30,039.04 is: 41,460.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,145.74 : 62,311.49 = 30,039.04 : x
  2. Step 2: Convert to fraction form
    45,145.74/62,311.49 = 30,039.04/x
  3. Step 3: Cross multiply
    45,145.74x = 62,311.49 × 30,039.04
  4. Step 4: Simplify right side
    45,145.74x = 1,871,776,878.82
  5. Step 5: Solve for x
    x = 1,871,776,878.82/45,145.74
  6. Step 6: Final answer
    x = 41,460.76

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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.