Home / 47,115.51-64,992.15-28,241.70

Finding the Fourth Proportional to 47,115.51, 64,992.15 and 28,241.70

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Solution

The fourth proportional to 47,115.51, 64,992.15 and 28,241.70 is: 38,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,115.51 : 64,992.15 = 28,241.70 : x
  2. Step 2: Convert to fraction form
    47,115.51/64,992.15 = 28,241.70/x
  3. Step 3: Cross multiply
    47,115.51x = 64,992.15 × 28,241.70
  4. Step 4: Simplify right side
    47,115.51x = 1,835,488,802.66
  5. Step 5: Solve for x
    x = 1,835,488,802.66/47,115.51
  6. Step 6: Final answer
    x = 38,957.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.