Home / 35,777.26-49,378.91-20,670.49

Finding the Fourth Proportional to 35,777.26, 49,378.91 and 20,670.49

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Solution

The fourth proportional to 35,777.26, 49,378.91 and 20,670.49 is: 28,528.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,777.26 : 49,378.91 = 20,670.49 : x
  2. Step 2: Convert to fraction form
    35,777.26/49,378.91 = 20,670.49/x
  3. Step 3: Cross multiply
    35,777.26x = 49,378.91 × 20,670.49
  4. Step 4: Simplify right side
    35,777.26x = 1,020,686,265.37
  5. Step 5: Solve for x
    x = 1,020,686,265.37/35,777.26
  6. Step 6: Final answer
    x = 28,528.91

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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.