Home / 20,507.64-30,761.45-4,925.26

Finding the Fourth Proportional to 20,507.64, 30,761.45 and 4,925.26

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Solution

The fourth proportional to 20,507.64, 30,761.45 and 4,925.26 is: 7,387.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,507.64 : 30,761.45 = 4,925.26 : x
  2. Step 2: Convert to fraction form
    20,507.64/30,761.45 = 4,925.26/x
  3. Step 3: Cross multiply
    20,507.64x = 30,761.45 × 4,925.26
  4. Step 4: Simplify right side
    20,507.64x = 151,508,139.23
  5. Step 5: Solve for x
    x = 151,508,139.23/20,507.64
  6. Step 6: Final answer
    x = 7,387.89

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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.