Home / 39,967.36-59,952-13,671.92

Finding the Fourth Proportional to 39,967.36, 59,952 and 13,671.92

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Solution

The fourth proportional to 39,967.36, 59,952 and 13,671.92 is: 20,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967.36 : 59,952 = 13,671.92 : x
  2. Step 2: Convert to fraction form
    39,967.36/59,952 = 13,671.92/x
  3. Step 3: Cross multiply
    39,967.36x = 59,952 × 13,671.92
  4. Step 4: Simplify right side
    39,967.36x = 819,658,947.84
  5. Step 5: Solve for x
    x = 819,658,947.84/39,967.36
  6. Step 6: Final answer
    x = 20,508.21

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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.