Home / 39,985.32-59,884.56-31,609.08

Finding the Fourth Proportional to 39,985.32, 59,884.56 and 31,609.08

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Solution

The fourth proportional to 39,985.32, 59,884.56 and 31,609.08 is: 47,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,985.32 : 59,884.56 = 31,609.08 : x
  2. Step 2: Convert to fraction form
    39,985.32/59,884.56 = 31,609.08/x
  3. Step 3: Cross multiply
    39,985.32x = 59,884.56 × 31,609.08
  4. Step 4: Simplify right side
    39,985.32x = 1,892,895,847.80
  5. Step 5: Solve for x
    x = 1,892,895,847.80/39,985.32
  6. Step 6: Final answer
    x = 47,339.77

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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.