Home / 56,145.70-77,480.55-30,995.14

Finding the Fourth Proportional to 56,145.70, 77,480.55 and 30,995.14

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Solution

The fourth proportional to 56,145.70, 77,480.55 and 30,995.14 is: 42,773.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,145.70 : 77,480.55 = 30,995.14 : x
  2. Step 2: Convert to fraction form
    56,145.70/77,480.55 = 30,995.14/x
  3. Step 3: Cross multiply
    56,145.70x = 77,480.55 × 30,995.14
  4. Step 4: Simplify right side
    56,145.70x = 2,401,520,494.53
  5. Step 5: Solve for x
    x = 2,401,520,494.53/56,145.70
  6. Step 6: Final answer
    x = 42,773.01

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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.