Home / 35,990.04-49,666.38-20,077.80

Finding the Fourth Proportional to 35,990.04, 49,666.38 and 20,077.80

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Solution

The fourth proportional to 35,990.04, 49,666.38 and 20,077.80 is: 27,707.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,990.04 : 49,666.38 = 20,077.80 : x
  2. Step 2: Convert to fraction form
    35,990.04/49,666.38 = 20,077.80/x
  3. Step 3: Cross multiply
    35,990.04x = 49,666.38 × 20,077.80
  4. Step 4: Simplify right side
    35,990.04x = 997,191,644.36
  5. Step 5: Solve for x
    x = 997,191,644.36/35,990.04
  6. Step 6: Final answer
    x = 27,707.43

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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.