Home / 53,139.44-73,329.84-29,267.12

Finding the Fourth Proportional to 53,139.44, 73,329.84 and 29,267.12

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Solution

The fourth proportional to 53,139.44, 73,329.84 and 29,267.12 is: 40,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,139.44 : 73,329.84 = 29,267.12 : x
  2. Step 2: Convert to fraction form
    53,139.44/73,329.84 = 29,267.12/x
  3. Step 3: Cross multiply
    53,139.44x = 73,329.84 × 29,267.12
  4. Step 4: Simplify right side
    53,139.44x = 2,146,153,226.86
  5. Step 5: Solve for x
    x = 2,146,153,226.86/53,139.44
  6. Step 6: Final answer
    x = 40,387.20

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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.