Home / 37,770.99-52,124.31-20,543.51

Finding the Fourth Proportional to 37,770.99, 52,124.31 and 20,543.51

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Solution

The fourth proportional to 37,770.99, 52,124.31 and 20,543.51 is: 28,350.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,770.99 : 52,124.31 = 20,543.51 : x
  2. Step 2: Convert to fraction form
    37,770.99/52,124.31 = 20,543.51/x
  3. Step 3: Cross multiply
    37,770.99x = 52,124.31 × 20,543.51
  4. Step 4: Simplify right side
    37,770.99x = 1,070,816,023.11
  5. Step 5: Solve for x
    x = 1,070,816,023.11/37,770.99
  6. Step 6: Final answer
    x = 28,350.22

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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.