Home / 37,273.51-51,438.40-20,278.70

Finding the Fourth Proportional to 37,273.51, 51,438.40 and 20,278.70

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Solution

The fourth proportional to 37,273.51, 51,438.40 and 20,278.70 is: 27,985.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,273.51 : 51,438.40 = 20,278.70 : x
  2. Step 2: Convert to fraction form
    37,273.51/51,438.40 = 20,278.70/x
  3. Step 3: Cross multiply
    37,273.51x = 51,438.40 × 20,278.70
  4. Step 4: Simplify right side
    37,273.51x = 1,043,103,574.19
  5. Step 5: Solve for x
    x = 1,043,103,574.19/37,273.51
  6. Step 6: Final answer
    x = 27,985.12

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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.