Home / 37,631.04-51,929.60-20,865.28

Finding the Fourth Proportional to 37,631.04, 51,929.60 and 20,865.28

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Solution

The fourth proportional to 37,631.04, 51,929.60 and 20,865.28 is: 28,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,631.04 : 51,929.60 = 20,865.28 : x
  2. Step 2: Convert to fraction form
    37,631.04/51,929.60 = 20,865.28/x
  3. Step 3: Cross multiply
    37,631.04x = 51,929.60 × 20,865.28
  4. Step 4: Simplify right side
    37,631.04x = 1,083,525,644.29
  5. Step 5: Solve for x
    x = 1,083,525,644.29/37,631.04
  6. Step 6: Final answer
    x = 28,793.40

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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.