Home / 53,320.03-79,984.29-31,135.65

Finding the Fourth Proportional to 53,320.03, 79,984.29 and 31,135.65

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Solution

The fourth proportional to 53,320.03, 79,984.29 and 31,135.65 is: 46,705.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,320.03 : 79,984.29 = 31,135.65 : x
  2. Step 2: Convert to fraction form
    53,320.03/79,984.29 = 31,135.65/x
  3. Step 3: Cross multiply
    53,320.03x = 79,984.29 × 31,135.65
  4. Step 4: Simplify right side
    53,320.03x = 2,490,362,858.94
  5. Step 5: Solve for x
    x = 2,490,362,858.94/53,320.03
  6. Step 6: Final answer
    x = 46,705.95

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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.