Home / 37,485.74-51,732.51-20,720.30

Finding the Fourth Proportional to 37,485.74, 51,732.51 and 20,720.30

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Solution

The fourth proportional to 37,485.74, 51,732.51 and 20,720.30 is: 28,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,485.74 : 51,732.51 = 20,720.30 : x
  2. Step 2: Convert to fraction form
    37,485.74/51,732.51 = 20,720.30/x
  3. Step 3: Cross multiply
    37,485.74x = 51,732.51 × 20,720.30
  4. Step 4: Simplify right side
    37,485.74x = 1,071,913,126.95
  5. Step 5: Solve for x
    x = 1,071,913,126.95/37,485.74
  6. Step 6: Final answer
    x = 28,595.22

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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.