Home / 20,750.04-31,081.05-14,495.22

Finding the Fourth Proportional to 20,750.04, 31,081.05 and 14,495.22

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Solution

The fourth proportional to 20,750.04, 31,081.05 and 14,495.22 is: 21,712.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,750.04 : 31,081.05 = 14,495.22 : x
  2. Step 2: Convert to fraction form
    20,750.04/31,081.05 = 14,495.22/x
  3. Step 3: Cross multiply
    20,750.04x = 31,081.05 × 14,495.22
  4. Step 4: Simplify right side
    20,750.04x = 450,526,657.58
  5. Step 5: Solve for x
    x = 450,526,657.58/20,750.04
  6. Step 6: Final answer
    x = 21,712.09

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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.