Home / 39,158.16-54,038.52-22,163.28

Finding the Fourth Proportional to 39,158.16, 54,038.52 and 22,163.28

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Solution

The fourth proportional to 39,158.16, 54,038.52 and 22,163.28 is: 30,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,158.16 : 54,038.52 = 22,163.28 : x
  2. Step 2: Convert to fraction form
    39,158.16/54,038.52 = 22,163.28/x
  3. Step 3: Cross multiply
    39,158.16x = 54,038.52 × 22,163.28
  4. Step 4: Simplify right side
    39,158.16x = 1,197,670,849.55
  5. Step 5: Solve for x
    x = 1,197,670,849.55/39,158.16
  6. Step 6: Final answer
    x = 30,585.47

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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.