Home / 39,013.72-53,840.30-22,022.08

Finding the Fourth Proportional to 39,013.72, 53,840.30 and 22,022.08

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Solution

The fourth proportional to 39,013.72, 53,840.30 and 22,022.08 is: 30,391.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,013.72 : 53,840.30 = 22,022.08 : x
  2. Step 2: Convert to fraction form
    39,013.72/53,840.30 = 22,022.08/x
  3. Step 3: Cross multiply
    39,013.72x = 53,840.30 × 22,022.08
  4. Step 4: Simplify right side
    39,013.72x = 1,185,675,393.82
  5. Step 5: Solve for x
    x = 1,185,675,393.82/39,013.72
  6. Step 6: Final answer
    x = 30,391.24

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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.