Home / 38,560.07-53,213.98-21,564.95

Finding the Fourth Proportional to 38,560.07, 53,213.98 and 21,564.95

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Solution

The fourth proportional to 38,560.07, 53,213.98 and 21,564.95 is: 29,760.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,560.07 : 53,213.98 = 21,564.95 : x
  2. Step 2: Convert to fraction form
    38,560.07/53,213.98 = 21,564.95/x
  3. Step 3: Cross multiply
    38,560.07x = 53,213.98 × 21,564.95
  4. Step 4: Simplify right side
    38,560.07x = 1,147,556,818.00
  5. Step 5: Solve for x
    x = 1,147,556,818.00/38,560.07
  6. Step 6: Final answer
    x = 29,760.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.