Home / 52,031.04-71,802.96-28,157.97

Finding the Fourth Proportional to 52,031.04, 71,802.96 and 28,157.97

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Solution

The fourth proportional to 52,031.04, 71,802.96 and 28,157.97 is: 38,858.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,031.04 : 71,802.96 = 28,157.97 : x
  2. Step 2: Convert to fraction form
    52,031.04/71,802.96 = 28,157.97/x
  3. Step 3: Cross multiply
    52,031.04x = 71,802.96 × 28,157.97
  4. Step 4: Simplify right side
    52,031.04x = 2,021,825,593.59
  5. Step 5: Solve for x
    x = 2,021,825,593.59/52,031.04
  6. Step 6: Final answer
    x = 38,858.07

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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.