Home / 21,045.64-31,544.62-7,002.37

Finding the Fourth Proportional to 21,045.64, 31,544.62 and 7,002.37

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Solution

The fourth proportional to 21,045.64, 31,544.62 and 7,002.37 is: 10,495.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045.64 : 31,544.62 = 7,002.37 : x
  2. Step 2: Convert to fraction form
    21,045.64/31,544.62 = 7,002.37/x
  3. Step 3: Cross multiply
    21,045.64x = 31,544.62 × 7,002.37
  4. Step 4: Simplify right side
    21,045.64x = 220,887,100.75
  5. Step 5: Solve for x
    x = 220,887,100.75/21,045.64
  6. Step 6: Final answer
    x = 10,495.62

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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.