Home / 53,018.71-73,165.90-29,145.53

Finding the Fourth Proportional to 53,018.71, 73,165.90 and 29,145.53

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Solution

The fourth proportional to 53,018.71, 73,165.90 and 29,145.53 is: 40,220.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,018.71 : 73,165.90 = 29,145.53 : x
  2. Step 2: Convert to fraction form
    53,018.71/73,165.90 = 29,145.53/x
  3. Step 3: Cross multiply
    53,018.71x = 73,165.90 × 29,145.53
  4. Step 4: Simplify right side
    53,018.71x = 2,132,458,933.43
  5. Step 5: Solve for x
    x = 2,132,458,933.43/53,018.71
  6. Step 6: Final answer
    x = 40,220.88

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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.