Home / 56,045.49-77,343.63-30,551.85

Finding the Fourth Proportional to 56,045.49, 77,343.63 and 30,551.85

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Solution

The fourth proportional to 56,045.49, 77,343.63 and 30,551.85 is: 42,162.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,045.49 : 77,343.63 = 30,551.85 : x
  2. Step 2: Convert to fraction form
    56,045.49/77,343.63 = 30,551.85/x
  3. Step 3: Cross multiply
    56,045.49x = 77,343.63 × 30,551.85
  4. Step 4: Simplify right side
    56,045.49x = 2,362,990,867.65
  5. Step 5: Solve for x
    x = 2,362,990,867.65/56,045.49
  6. Step 6: Final answer
    x = 42,162.02

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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.