Home / 40,644.47-55,964.73-35,580.35

Finding the Fourth Proportional to 40,644.47, 55,964.73 and 35,580.35

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Solution

The fourth proportional to 40,644.47, 55,964.73 and 35,580.35 is: 48,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,644.47 : 55,964.73 = 35,580.35 : x
  2. Step 2: Convert to fraction form
    40,644.47/55,964.73 = 35,580.35/x
  3. Step 3: Cross multiply
    40,644.47x = 55,964.73 × 35,580.35
  4. Step 4: Simplify right side
    40,644.47x = 1,991,244,681.06
  5. Step 5: Solve for x
    x = 1,991,244,681.06/40,644.47
  6. Step 6: Final answer
    x = 48,991.77

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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.