Home / 39,931.32-59,858.58-19,133.88

Finding the Fourth Proportional to 39,931.32, 59,858.58 and 19,133.88

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Solution

The fourth proportional to 39,931.32, 59,858.58 and 19,133.88 is: 28,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931.32 : 59,858.58 = 19,133.88 : x
  2. Step 2: Convert to fraction form
    39,931.32/59,858.58 = 19,133.88/x
  3. Step 3: Cross multiply
    39,931.32x = 59,858.58 × 19,133.88
  4. Step 4: Simplify right side
    39,931.32x = 1,145,326,886.69
  5. Step 5: Solve for x
    x = 1,145,326,886.69/39,931.32
  6. Step 6: Final answer
    x = 28,682.42

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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.