Home / 37,030.66-51,101.04-21,120.23

Finding the Fourth Proportional to 37,030.66, 51,101.04 and 21,120.23

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Solution

The fourth proportional to 37,030.66, 51,101.04 and 21,120.23 is: 29,145.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,030.66 : 51,101.04 = 21,120.23 : x
  2. Step 2: Convert to fraction form
    37,030.66/51,101.04 = 21,120.23/x
  3. Step 3: Cross multiply
    37,030.66x = 51,101.04 × 21,120.23
  4. Step 4: Simplify right side
    37,030.66x = 1,079,265,718.04
  5. Step 5: Solve for x
    x = 1,079,265,718.04/37,030.66
  6. Step 6: Final answer
    x = 29,145.19

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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.