Home / 39,877.29-59,709.56-31,574.25

Finding the Fourth Proportional to 39,877.29, 59,709.56 and 31,574.25

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Solution

The fourth proportional to 39,877.29, 59,709.56 and 31,574.25 is: 47,277.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,877.29 : 59,709.56 = 31,574.25 : x
  2. Step 2: Convert to fraction form
    39,877.29/59,709.56 = 31,574.25/x
  3. Step 3: Cross multiply
    39,877.29x = 59,709.56 × 31,574.25
  4. Step 4: Simplify right side
    39,877.29x = 1,885,284,416.96
  5. Step 5: Solve for x
    x = 1,885,284,416.96/39,877.29
  6. Step 6: Final answer
    x = 47,277.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.