Home / 56,145.96-77,482.44-30,995.46

Finding the Fourth Proportional to 56,145.96, 77,482.44 and 30,995.46

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Solution

The fourth proportional to 56,145.96, 77,482.44 and 30,995.46 is: 42,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,145.96 : 77,482.44 = 30,995.46 : x
  2. Step 2: Convert to fraction form
    56,145.96/77,482.44 = 30,995.46/x
  3. Step 3: Cross multiply
    56,145.96x = 77,482.44 × 30,995.46
  4. Step 4: Simplify right side
    56,145.96x = 2,401,603,869.72
  5. Step 5: Solve for x
    x = 2,401,603,869.72/56,145.96
  6. Step 6: Final answer
    x = 42,774.30

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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.