Home / 29,430.30-44,145.45-21,092.70

Finding the Fourth Proportional to 29,430.30, 44,145.45 and 21,092.70

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Solution

The fourth proportional to 29,430.30, 44,145.45 and 21,092.70 is: 31,639.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,430.30 : 44,145.45 = 21,092.70 : x
  2. Step 2: Convert to fraction form
    29,430.30/44,145.45 = 21,092.70/x
  3. Step 3: Cross multiply
    29,430.30x = 44,145.45 × 21,092.70
  4. Step 4: Simplify right side
    29,430.30x = 931,146,733.22
  5. Step 5: Solve for x
    x = 931,146,733.22/29,430.30
  6. Step 6: Final answer
    x = 31,639.05

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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.