Home / 31,302.63-43,174.71-22,807.35

Finding the Fourth Proportional to 31,302.63, 43,174.71 and 22,807.35

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Solution

The fourth proportional to 31,302.63, 43,174.71 and 22,807.35 is: 31,457.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,302.63 : 43,174.71 = 22,807.35 : x
  2. Step 2: Convert to fraction form
    31,302.63/43,174.71 = 22,807.35/x
  3. Step 3: Cross multiply
    31,302.63x = 43,174.71 × 22,807.35
  4. Step 4: Simplify right side
    31,302.63x = 984,700,722.12
  5. Step 5: Solve for x
    x = 984,700,722.12/31,302.63
  6. Step 6: Final answer
    x = 31,457.44

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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.