Home / 57,407.43-79,223.21-31,567.08

Finding the Fourth Proportional to 57,407.43, 79,223.21 and 31,567.08

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Solution

The fourth proportional to 57,407.43, 79,223.21 and 31,567.08 is: 43,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,407.43 : 79,223.21 = 31,567.08 : x
  2. Step 2: Convert to fraction form
    57,407.43/79,223.21 = 31,567.08/x
  3. Step 3: Cross multiply
    57,407.43x = 79,223.21 × 31,567.08
  4. Step 4: Simplify right side
    57,407.43x = 2,500,845,407.93
  5. Step 5: Solve for x
    x = 2,500,845,407.93/57,407.43
  6. Step 6: Final answer
    x = 43,563.10

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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.