Home / 37,637.79-51,940.15-20,870.79

Finding the Fourth Proportional to 37,637.79, 51,940.15 and 20,870.79

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Solution

The fourth proportional to 37,637.79, 51,940.15 and 20,870.79 is: 28,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,637.79 : 51,940.15 = 20,870.79 : x
  2. Step 2: Convert to fraction form
    37,637.79/51,940.15 = 20,870.79/x
  3. Step 3: Cross multiply
    37,637.79x = 51,940.15 × 20,870.79
  4. Step 4: Simplify right side
    37,637.79x = 1,084,031,891.70
  5. Step 5: Solve for x
    x = 1,084,031,891.70/37,637.79
  6. Step 6: Final answer
    x = 28,801.69

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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.