Home / 37,921.51-52,331.31-20,925.91

Finding the Fourth Proportional to 37,921.51, 52,331.31 and 20,925.91

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Solution

The fourth proportional to 37,921.51, 52,331.31 and 20,925.91 is: 28,877.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,921.51 : 52,331.31 = 20,925.91 : x
  2. Step 2: Convert to fraction form
    37,921.51/52,331.31 = 20,925.91/x
  3. Step 3: Cross multiply
    37,921.51x = 52,331.31 × 20,925.91
  4. Step 4: Simplify right side
    37,921.51x = 1,095,080,283.24
  5. Step 5: Solve for x
    x = 1,095,080,283.24/37,921.51
  6. Step 6: Final answer
    x = 28,877.55

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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.