Home / 37,955.56-52,378.68-21,188.56

Finding the Fourth Proportional to 37,955.56, 52,378.68 and 21,188.56

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Solution

The fourth proportional to 37,955.56, 52,378.68 and 21,188.56 is: 29,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,955.56 : 52,378.68 = 21,188.56 : x
  2. Step 2: Convert to fraction form
    37,955.56/52,378.68 = 21,188.56/x
  3. Step 3: Cross multiply
    37,955.56x = 52,378.68 × 21,188.56
  4. Step 4: Simplify right side
    37,955.56x = 1,109,828,803.90
  5. Step 5: Solve for x
    x = 1,109,828,803.90/37,955.56
  6. Step 6: Final answer
    x = 29,240.22

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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.