Home / 37,777.23-52,132.70-20,782.77

Finding the Fourth Proportional to 37,777.23, 52,132.70 and 20,782.77

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Solution

The fourth proportional to 37,777.23, 52,132.70 and 20,782.77 is: 28,680.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,777.23 : 52,132.70 = 20,782.77 : x
  2. Step 2: Convert to fraction form
    37,777.23/52,132.70 = 20,782.77/x
  3. Step 3: Cross multiply
    37,777.23x = 52,132.70 × 20,782.77
  4. Step 4: Simplify right side
    37,777.23x = 1,083,461,913.58
  5. Step 5: Solve for x
    x = 1,083,461,913.58/37,777.23
  6. Step 6: Final answer
    x = 28,680.29

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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.