Home / 56,023.05-77,311.09-30,530.53

Finding the Fourth Proportional to 56,023.05, 77,311.09 and 30,530.53

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Solution

The fourth proportional to 56,023.05, 77,311.09 and 30,530.53 is: 42,131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,023.05 : 77,311.09 = 30,530.53 : x
  2. Step 2: Convert to fraction form
    56,023.05/77,311.09 = 30,530.53/x
  3. Step 3: Cross multiply
    56,023.05x = 77,311.09 × 30,530.53
  4. Step 4: Simplify right side
    56,023.05x = 2,360,348,552.58
  5. Step 5: Solve for x
    x = 2,360,348,552.58/56,023.05
  6. Step 6: Final answer
    x = 42,131.74

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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.