Home / 40,104.04-55,343.70-21,707.14

Finding the Fourth Proportional to 40,104.04, 55,343.70 and 21,707.14

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Solution

The fourth proportional to 40,104.04, 55,343.70 and 21,707.14 is: 29,955.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,104.04 : 55,343.70 = 21,707.14 : x
  2. Step 2: Convert to fraction form
    40,104.04/55,343.70 = 21,707.14/x
  3. Step 3: Cross multiply
    40,104.04x = 55,343.70 × 21,707.14
  4. Step 4: Simplify right side
    40,104.04x = 1,201,353,444.02
  5. Step 5: Solve for x
    x = 1,201,353,444.02/40,104.04
  6. Step 6: Final answer
    x = 29,955.92

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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.