Home / 56,464.68-77,958-38,553.18

Finding the Fourth Proportional to 56,464.68, 77,958 and 38,553.18

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Solution

The fourth proportional to 56,464.68, 77,958 and 38,553.18 is: 53,228.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,464.68 : 77,958 = 38,553.18 : x
  2. Step 2: Convert to fraction form
    56,464.68/77,958 = 38,553.18/x
  3. Step 3: Cross multiply
    56,464.68x = 77,958 × 38,553.18
  4. Step 4: Simplify right side
    56,464.68x = 3,005,528,806.44
  5. Step 5: Solve for x
    x = 3,005,528,806.44/56,464.68
  6. Step 6: Final answer
    x = 53,228.47

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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.