Home / 53,285.10-73,535.88-30,631.42

Finding the Fourth Proportional to 53,285.10, 73,535.88 and 30,631.42

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Solution

The fourth proportional to 53,285.10, 73,535.88 and 30,631.42 is: 42,272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,285.10 : 73,535.88 = 30,631.42 : x
  2. Step 2: Convert to fraction form
    53,285.10/73,535.88 = 30,631.42/x
  3. Step 3: Cross multiply
    53,285.10x = 73,535.88 × 30,631.42
  4. Step 4: Simplify right side
    53,285.10x = 2,252,508,425.35
  5. Step 5: Solve for x
    x = 2,252,508,425.35/53,285.10
  6. Step 6: Final answer
    x = 42,272.76

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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.