Home / 53,172.80-73,378.68-29,298.32

Finding the Fourth Proportional to 53,172.80, 73,378.68 and 29,298.32

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Solution

The fourth proportional to 53,172.80, 73,378.68 and 29,298.32 is: 40,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,172.80 : 73,378.68 = 29,298.32 : x
  2. Step 2: Convert to fraction form
    53,172.80/73,378.68 = 29,298.32/x
  3. Step 3: Cross multiply
    53,172.80x = 73,378.68 × 29,298.32
  4. Step 4: Simplify right side
    53,172.80x = 2,149,872,047.82
  5. Step 5: Solve for x
    x = 2,149,872,047.82/53,172.80
  6. Step 6: Final answer
    x = 40,431.80

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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.