Home / 31,407.68-43,343.52-17,260.64

Finding the Fourth Proportional to 31,407.68, 43,343.52 and 17,260.64

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Solution

The fourth proportional to 31,407.68, 43,343.52 and 17,260.64 is: 23,820.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407.68 : 43,343.52 = 17,260.64 : x
  2. Step 2: Convert to fraction form
    31,407.68/43,343.52 = 17,260.64/x
  3. Step 3: Cross multiply
    31,407.68x = 43,343.52 × 17,260.64
  4. Step 4: Simplify right side
    31,407.68x = 748,136,895.05
  5. Step 5: Solve for x
    x = 748,136,895.05/31,407.68
  6. Step 6: Final answer
    x = 23,820.19

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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.