Home / 53,145.05-73,340.24-29,271.78

Finding the Fourth Proportional to 53,145.05, 73,340.24 and 29,271.78

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Solution

The fourth proportional to 53,145.05, 73,340.24 and 29,271.78 is: 40,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145.05 : 73,340.24 = 29,271.78 : x
  2. Step 2: Convert to fraction form
    53,145.05/73,340.24 = 29,271.78/x
  3. Step 3: Cross multiply
    53,145.05x = 73,340.24 × 29,271.78
  4. Step 4: Simplify right side
    53,145.05x = 2,146,799,224.07
  5. Step 5: Solve for x
    x = 2,146,799,224.07/53,145.05
  6. Step 6: Final answer
    x = 40,395.10

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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.