Home / 36,005.28-53,747.40-31,106.40

Finding the Fourth Proportional to 36,005.28, 53,747.40 and 31,106.40

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Solution

The fourth proportional to 36,005.28, 53,747.40 and 31,106.40 is: 46,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,005.28 : 53,747.40 = 31,106.40 : x
  2. Step 2: Convert to fraction form
    36,005.28/53,747.40 = 31,106.40/x
  3. Step 3: Cross multiply
    36,005.28x = 53,747.40 × 31,106.40
  4. Step 4: Simplify right side
    36,005.28x = 1,671,888,123.36
  5. Step 5: Solve for x
    x = 1,671,888,123.36/36,005.28
  6. Step 6: Final answer
    x = 46,434.53

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.