Home / 37,721.68-52,056.48-20,955.76

Finding the Fourth Proportional to 37,721.68, 52,056.48 and 20,955.76

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Solution

The fourth proportional to 37,721.68, 52,056.48 and 20,955.76 is: 28,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,721.68 : 52,056.48 = 20,955.76 : x
  2. Step 2: Convert to fraction form
    37,721.68/52,056.48 = 20,955.76/x
  3. Step 3: Cross multiply
    37,721.68x = 52,056.48 × 20,955.76
  4. Step 4: Simplify right side
    37,721.68x = 1,090,883,101.32
  5. Step 5: Solve for x
    x = 1,090,883,101.32/37,721.68
  6. Step 6: Final answer
    x = 28,919.26

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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.