Home / 21,032.03-31,530.76-14,350.07

Finding the Fourth Proportional to 21,032.03, 31,530.76 and 14,350.07

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Solution

The fourth proportional to 21,032.03, 31,530.76 and 14,350.07 is: 21,513.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.03 : 31,530.76 = 14,350.07 : x
  2. Step 2: Convert to fraction form
    21,032.03/31,530.76 = 14,350.07/x
  3. Step 3: Cross multiply
    21,032.03x = 31,530.76 × 14,350.07
  4. Step 4: Simplify right side
    21,032.03x = 452,468,613.15
  5. Step 5: Solve for x
    x = 452,468,613.15/21,032.03
  6. Step 6: Final answer
    x = 21,513.31

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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.