Home / 37,888.12-52,283.34-20,891.56

Finding the Fourth Proportional to 37,888.12, 52,283.34 and 20,891.56

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Solution

The fourth proportional to 37,888.12, 52,283.34 and 20,891.56 is: 28,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,888.12 : 52,283.34 = 20,891.56 : x
  2. Step 2: Convert to fraction form
    37,888.12/52,283.34 = 20,891.56/x
  3. Step 3: Cross multiply
    37,888.12x = 52,283.34 × 20,891.56
  4. Step 4: Simplify right side
    37,888.12x = 1,092,280,534.61
  5. Step 5: Solve for x
    x = 1,092,280,534.61/37,888.12
  6. Step 6: Final answer
    x = 28,829.10

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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.