Home / 37,278.40-51,444.72-20,283.16

Finding the Fourth Proportional to 37,278.40, 51,444.72 and 20,283.16

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Solution

The fourth proportional to 37,278.40, 51,444.72 and 20,283.16 is: 27,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,278.40 : 51,444.72 = 20,283.16 : x
  2. Step 2: Convert to fraction form
    37,278.40/51,444.72 = 20,283.16/x
  3. Step 3: Cross multiply
    37,278.40x = 51,444.72 × 20,283.16
  4. Step 4: Simplify right side
    37,278.40x = 1,043,461,486.92
  5. Step 5: Solve for x
    x = 1,043,461,486.92/37,278.40
  6. Step 6: Final answer
    x = 27,991.05

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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.