Home / 41,430.34-57,176.32-31,203.34

Finding the Fourth Proportional to 41,430.34, 57,176.32 and 31,203.34

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Solution

The fourth proportional to 41,430.34, 57,176.32 and 31,203.34 is: 43,062.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,430.34 : 57,176.32 = 31,203.34 : x
  2. Step 2: Convert to fraction form
    41,430.34/57,176.32 = 31,203.34/x
  3. Step 3: Cross multiply
    41,430.34x = 57,176.32 × 31,203.34
  4. Step 4: Simplify right side
    41,430.34x = 1,784,092,152.91
  5. Step 5: Solve for x
    x = 1,784,092,152.91/41,430.34
  6. Step 6: Final answer
    x = 43,062.46

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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.