Home / 29,302.45-40,437.49-15,873.67

Finding the Fourth Proportional to 29,302.45, 40,437.49 and 15,873.67

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Solution

The fourth proportional to 29,302.45, 40,437.49 and 15,873.67 is: 21,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,302.45 : 40,437.49 = 15,873.67 : x
  2. Step 2: Convert to fraction form
    29,302.45/40,437.49 = 15,873.67/x
  3. Step 3: Cross multiply
    29,302.45x = 40,437.49 × 15,873.67
  4. Step 4: Simplify right side
    29,302.45x = 641,891,367.87
  5. Step 5: Solve for x
    x = 641,891,367.87/29,302.45
  6. Step 6: Final answer
    x = 21,905.72

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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.