Home / 31,070.86-46,371.56-28,964.05

Finding the Fourth Proportional to 31,070.86, 46,371.56 and 28,964.05

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Solution

The fourth proportional to 31,070.86, 46,371.56 and 28,964.05 is: 43,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,070.86 : 46,371.56 = 28,964.05 : x
  2. Step 2: Convert to fraction form
    31,070.86/46,371.56 = 28,964.05/x
  3. Step 3: Cross multiply
    31,070.86x = 46,371.56 × 28,964.05
  4. Step 4: Simplify right side
    31,070.86x = 1,343,107,921.67
  5. Step 5: Solve for x
    x = 1,343,107,921.67/31,070.86
  6. Step 6: Final answer
    x = 43,227.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.