Home / 20,535.64-30,798.92-5,740.58

Finding the Fourth Proportional to 20,535.64, 30,798.92 and 5,740.58

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Solution

The fourth proportional to 20,535.64, 30,798.92 and 5,740.58 is: 8,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535.64 : 30,798.92 = 5,740.58 : x
  2. Step 2: Convert to fraction form
    20,535.64/30,798.92 = 5,740.58/x
  3. Step 3: Cross multiply
    20,535.64x = 30,798.92 × 5,740.58
  4. Step 4: Simplify right side
    20,535.64x = 176,803,664.17
  5. Step 5: Solve for x
    x = 176,803,664.17/20,535.64
  6. Step 6: Final answer
    x = 8,609.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.