Home / 22,430.98-33,646.52-21,060.87

Finding the Fourth Proportional to 22,430.98, 33,646.52 and 21,060.87

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Solution

The fourth proportional to 22,430.98, 33,646.52 and 21,060.87 is: 31,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.98 : 33,646.52 = 21,060.87 : x
  2. Step 2: Convert to fraction form
    22,430.98/33,646.52 = 21,060.87/x
  3. Step 3: Cross multiply
    22,430.98x = 33,646.52 × 21,060.87
  4. Step 4: Simplify right side
    22,430.98x = 708,624,910.15
  5. Step 5: Solve for x
    x = 708,624,910.15/22,430.98
  6. Step 6: Final answer
    x = 31,591.35

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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.