Home / 39,985.08-59,937.48-13,671.83

Finding the Fourth Proportional to 39,985.08, 59,937.48 and 13,671.83

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Solution

The fourth proportional to 39,985.08, 59,937.48 and 13,671.83 is: 20,494.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,985.08 : 59,937.48 = 13,671.83 : x
  2. Step 2: Convert to fraction form
    39,985.08/59,937.48 = 13,671.83/x
  3. Step 3: Cross multiply
    39,985.08x = 59,937.48 × 13,671.83
  4. Step 4: Simplify right side
    39,985.08x = 819,454,737.50
  5. Step 5: Solve for x
    x = 819,454,737.50/39,985.08
  6. Step 6: Final answer
    x = 20,494.01

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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.