Home / 45,021.50-62,129.70-26,159.84

Finding the Fourth Proportional to 45,021.50, 62,129.70 and 26,159.84

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Solution

The fourth proportional to 45,021.50, 62,129.70 and 26,159.84 is: 36,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,021.50 : 62,129.70 = 26,159.84 : x
  2. Step 2: Convert to fraction form
    45,021.50/62,129.70 = 26,159.84/x
  3. Step 3: Cross multiply
    45,021.50x = 62,129.70 × 26,159.84
  4. Step 4: Simplify right side
    45,021.50x = 1,625,303,011.25
  5. Step 5: Solve for x
    x = 1,625,303,011.25/45,021.50
  6. Step 6: Final answer
    x = 36,100.60

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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.