Home / 39,032.20-53,830.38-31,476.34

Finding the Fourth Proportional to 39,032.20, 53,830.38 and 31,476.34

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Solution

The fourth proportional to 39,032.20, 53,830.38 and 31,476.34 is: 43,409.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,032.20 : 53,830.38 = 31,476.34 : x
  2. Step 2: Convert to fraction form
    39,032.20/53,830.38 = 31,476.34/x
  3. Step 3: Cross multiply
    39,032.20x = 53,830.38 × 31,476.34
  4. Step 4: Simplify right side
    39,032.20x = 1,694,383,343.21
  5. Step 5: Solve for x
    x = 1,694,383,343.21/39,032.20
  6. Step 6: Final answer
    x = 43,409.89

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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.