Home / 37,386.89-51,593.73-20,390.82

Finding the Fourth Proportional to 37,386.89, 51,593.73 and 20,390.82

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Solution

The fourth proportional to 37,386.89, 51,593.73 and 20,390.82 is: 28,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,386.89 : 51,593.73 = 20,390.82 : x
  2. Step 2: Convert to fraction form
    37,386.89/51,593.73 = 20,390.82/x
  3. Step 3: Cross multiply
    37,386.89x = 51,593.73 × 20,390.82
  4. Step 4: Simplify right side
    37,386.89x = 1,052,038,461.56
  5. Step 5: Solve for x
    x = 1,052,038,461.56/37,386.89
  6. Step 6: Final answer
    x = 28,139.24

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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.