Home / 31,921.65-44,051.47-17,581.21

Finding the Fourth Proportional to 31,921.65, 44,051.47 and 17,581.21

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Solution

The fourth proportional to 31,921.65, 44,051.47 and 17,581.21 is: 24,261.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,921.65 : 44,051.47 = 17,581.21 : x
  2. Step 2: Convert to fraction form
    31,921.65/44,051.47 = 17,581.21/x
  3. Step 3: Cross multiply
    31,921.65x = 44,051.47 × 17,581.21
  4. Step 4: Simplify right side
    31,921.65x = 774,477,990.80
  5. Step 5: Solve for x
    x = 774,477,990.80/31,921.65
  6. Step 6: Final answer
    x = 24,261.84

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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.