Home / 30,209.70-41,695.35-19,300.86

Finding the Fourth Proportional to 30,209.70, 41,695.35 and 19,300.86

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Solution

The fourth proportional to 30,209.70, 41,695.35 and 19,300.86 is: 26,639.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209.70 : 41,695.35 = 19,300.86 : x
  2. Step 2: Convert to fraction form
    30,209.70/41,695.35 = 19,300.86/x
  3. Step 3: Cross multiply
    30,209.70x = 41,695.35 × 19,300.86
  4. Step 4: Simplify right side
    30,209.70x = 804,756,113.00
  5. Step 5: Solve for x
    x = 804,756,113.00/30,209.70
  6. Step 6: Final answer
    x = 26,639.00

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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.