Home / 39,880.80-59,656.32-32,780.64

Finding the Fourth Proportional to 39,880.80, 59,656.32 and 32,780.64

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Solution

The fourth proportional to 39,880.80, 59,656.32 and 32,780.64 is: 49,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,880.80 : 59,656.32 = 32,780.64 : x
  2. Step 2: Convert to fraction form
    39,880.80/59,656.32 = 32,780.64/x
  3. Step 3: Cross multiply
    39,880.80x = 59,656.32 × 32,780.64
  4. Step 4: Simplify right side
    39,880.80x = 1,955,572,349.64
  5. Step 5: Solve for x
    x = 1,955,572,349.64/39,880.80
  6. Step 6: Final answer
    x = 49,035.43

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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.