Home / 35,687.19-49,247.02-20,580.49

Finding the Fourth Proportional to 35,687.19, 49,247.02 and 20,580.49

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Solution

The fourth proportional to 35,687.19, 49,247.02 and 20,580.49 is: 28,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,687.19 : 49,247.02 = 20,580.49 : x
  2. Step 2: Convert to fraction form
    35,687.19/49,247.02 = 20,580.49/x
  3. Step 3: Cross multiply
    35,687.19x = 49,247.02 × 20,580.49
  4. Step 4: Simplify right side
    35,687.19x = 1,013,527,889.92
  5. Step 5: Solve for x
    x = 1,013,527,889.92/35,687.19
  6. Step 6: Final answer
    x = 28,400.32

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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.