Home / 31,570.22-43,569.29-30,588.71

Finding the Fourth Proportional to 31,570.22, 43,569.29 and 30,588.71

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Solution

The fourth proportional to 31,570.22, 43,569.29 and 30,588.71 is: 42,214.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,570.22 : 43,569.29 = 30,588.71 : x
  2. Step 2: Convert to fraction form
    31,570.22/43,569.29 = 30,588.71/x
  3. Step 3: Cross multiply
    31,570.22x = 43,569.29 × 30,588.71
  4. Step 4: Simplify right side
    31,570.22x = 1,332,728,235.34
  5. Step 5: Solve for x
    x = 1,332,728,235.34/31,570.22
  6. Step 6: Final answer
    x = 42,214.72

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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.