Home / 56,049.45-77,348.83-30,899.85

Finding the Fourth Proportional to 56,049.45, 77,348.83 and 30,899.85

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Solution

The fourth proportional to 56,049.45, 77,348.83 and 30,899.85 is: 42,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,049.45 : 77,348.83 = 30,899.85 : x
  2. Step 2: Convert to fraction form
    56,049.45/77,348.83 = 30,899.85/x
  3. Step 3: Cross multiply
    56,049.45x = 77,348.83 × 30,899.85
  4. Step 4: Simplify right side
    56,049.45x = 2,390,066,935.18
  5. Step 5: Solve for x
    x = 2,390,066,935.18/56,049.45
  6. Step 6: Final answer
    x = 42,642.12

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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.