Home / 21,495.53-32,068.74-20,332.97

Finding the Fourth Proportional to 21,495.53, 32,068.74 and 20,332.97

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Solution

The fourth proportional to 21,495.53, 32,068.74 and 20,332.97 is: 30,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,495.53 : 32,068.74 = 20,332.97 : x
  2. Step 2: Convert to fraction form
    21,495.53/32,068.74 = 20,332.97/x
  3. Step 3: Cross multiply
    21,495.53x = 32,068.74 × 20,332.97
  4. Step 4: Simplify right side
    21,495.53x = 652,052,648.19
  5. Step 5: Solve for x
    x = 652,052,648.19/21,495.53
  6. Step 6: Final answer
    x = 30,334.34

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1.5x scale

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.