Home / 51,535.62-71,117.67-30,030.12

Finding the Fourth Proportional to 51,535.62, 71,117.67 and 30,030.12

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Solution

The fourth proportional to 51,535.62, 71,117.67 and 30,030.12 is: 41,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,535.62 : 71,117.67 = 30,030.12 : x
  2. Step 2: Convert to fraction form
    51,535.62/71,117.67 = 30,030.12/x
  3. Step 3: Cross multiply
    51,535.62x = 71,117.67 × 30,030.12
  4. Step 4: Simplify right side
    51,535.62x = 2,135,672,276.83
  5. Step 5: Solve for x
    x = 2,135,672,276.83/51,535.62
  6. Step 6: Final answer
    x = 41,440.70

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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.