Home / 29,785.60-41,044.80-21,263.68

Finding the Fourth Proportional to 29,785.60, 41,044.80 and 21,263.68

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Solution

The fourth proportional to 29,785.60, 41,044.80 and 21,263.68 is: 29,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,785.60 : 41,044.80 = 21,263.68 : x
  2. Step 2: Convert to fraction form
    29,785.60/41,044.80 = 21,263.68/x
  3. Step 3: Cross multiply
    29,785.60x = 41,044.80 × 21,263.68
  4. Step 4: Simplify right side
    29,785.60x = 872,763,492.86
  5. Step 5: Solve for x
    x = 872,763,492.86/29,785.60
  6. Step 6: Final answer
    x = 29,301.52

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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.