Home / 23,483.12-35,389.78-21,145.77

Finding the Fourth Proportional to 23,483.12, 35,389.78 and 21,145.77

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Solution

The fourth proportional to 23,483.12, 35,389.78 and 21,145.77 is: 31,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,483.12 : 35,389.78 = 21,145.77 : x
  2. Step 2: Convert to fraction form
    23,483.12/35,389.78 = 21,145.77/x
  3. Step 3: Cross multiply
    23,483.12x = 35,389.78 × 21,145.77
  4. Step 4: Simplify right side
    23,483.12x = 748,344,095.37
  5. Step 5: Solve for x
    x = 748,344,095.37/23,483.12
  6. Step 6: Final answer
    x = 31,867.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.