Home / 53,145.40-73,340.66-29,272.08

Finding the Fourth Proportional to 53,145.40, 73,340.66 and 29,272.08

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Solution

The fourth proportional to 53,145.40, 73,340.66 and 29,272.08 is: 40,395.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145.40 : 73,340.66 = 29,272.08 : x
  2. Step 2: Convert to fraction form
    53,145.40/73,340.66 = 29,272.08/x
  3. Step 3: Cross multiply
    53,145.40x = 73,340.66 × 29,272.08
  4. Step 4: Simplify right side
    53,145.40x = 2,146,833,451.66
  5. Step 5: Solve for x
    x = 2,146,833,451.66/53,145.40
  6. Step 6: Final answer
    x = 40,395.47

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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.