Home / 39,883.20-59,695.20-31,070.40

Finding the Fourth Proportional to 39,883.20, 59,695.20 and 31,070.40

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Solution

The fourth proportional to 39,883.20, 59,695.20 and 31,070.40 is: 46,504.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,883.20 : 59,695.20 = 31,070.40 : x
  2. Step 2: Convert to fraction form
    39,883.20/59,695.20 = 31,070.40/x
  3. Step 3: Cross multiply
    39,883.20x = 59,695.20 × 31,070.40
  4. Step 4: Simplify right side
    39,883.20x = 1,854,753,742.08
  5. Step 5: Solve for x
    x = 1,854,753,742.08/39,883.20
  6. Step 6: Final answer
    x = 46,504.64

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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.