Home / 37,982.52-52,405.74-21,215.16

Finding the Fourth Proportional to 37,982.52, 52,405.74 and 21,215.16

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Solution

The fourth proportional to 37,982.52, 52,405.74 and 21,215.16 is: 29,271.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,982.52 : 52,405.74 = 21,215.16 : x
  2. Step 2: Convert to fraction form
    37,982.52/52,405.74 = 21,215.16/x
  3. Step 3: Cross multiply
    37,982.52x = 52,405.74 × 21,215.16
  4. Step 4: Simplify right side
    37,982.52x = 1,111,796,159.02
  5. Step 5: Solve for x
    x = 1,111,796,159.02/37,982.52
  6. Step 6: Final answer
    x = 29,271.26

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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.