Home / 115,032.30-172,548.45-31,926.30

Finding the Fourth Proportional to 115,032.30, 172,548.45 and 31,926.30

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Solution

The fourth proportional to 115,032.30, 172,548.45 and 31,926.30 is: 47,889.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,032.30 : 172,548.45 = 31,926.30 : x
  2. Step 2: Convert to fraction form
    115,032.30/172,548.45 = 31,926.30/x
  3. Step 3: Cross multiply
    115,032.30x = 172,548.45 × 31,926.30
  4. Step 4: Simplify right side
    115,032.30x = 5,508,833,579.24
  5. Step 5: Solve for x
    x = 5,508,833,579.24/115,032.30
  6. Step 6: Final answer
    x = 47,889.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.