Home / 53,211.46-73,432.29-29,338.99

Finding the Fourth Proportional to 53,211.46, 73,432.29 and 29,338.99

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Solution

The fourth proportional to 53,211.46, 73,432.29 and 29,338.99 is: 40,488.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,211.46 : 73,432.29 = 29,338.99 : x
  2. Step 2: Convert to fraction form
    53,211.46/73,432.29 = 29,338.99/x
  3. Step 3: Cross multiply
    53,211.46x = 73,432.29 × 29,338.99
  4. Step 4: Simplify right side
    53,211.46x = 2,154,429,221.99
  5. Step 5: Solve for x
    x = 2,154,429,221.99/53,211.46
  6. Step 6: Final answer
    x = 40,488.07

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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.