Home / 53,115.08-73,311.27-30,453.66

Finding the Fourth Proportional to 53,115.08, 73,311.27 and 30,453.66

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Solution

The fourth proportional to 53,115.08, 73,311.27 and 30,453.66 is: 42,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,115.08 : 73,311.27 = 30,453.66 : x
  2. Step 2: Convert to fraction form
    53,115.08/73,311.27 = 30,453.66/x
  3. Step 3: Cross multiply
    53,115.08x = 73,311.27 × 30,453.66
  4. Step 4: Simplify right side
    53,115.08x = 2,232,596,490.75
  5. Step 5: Solve for x
    x = 2,232,596,490.75/53,115.08
  6. Step 6: Final answer
    x = 42,033.20

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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.