Home / 39,950.10-55,133.64-22,045.02

Finding the Fourth Proportional to 39,950.10, 55,133.64 and 22,045.02

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Solution

The fourth proportional to 39,950.10, 55,133.64 and 22,045.02 is: 30,423.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,950.10 : 55,133.64 = 22,045.02 : x
  2. Step 2: Convert to fraction form
    39,950.10/55,133.64 = 22,045.02/x
  3. Step 3: Cross multiply
    39,950.10x = 55,133.64 × 22,045.02
  4. Step 4: Simplify right side
    39,950.10x = 1,215,422,196.47
  5. Step 5: Solve for x
    x = 1,215,422,196.47/39,950.10
  6. Step 6: Final answer
    x = 30,423.51

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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.