Home / 29,342.08-40,491.79-15,913.63

Finding the Fourth Proportional to 29,342.08, 40,491.79 and 15,913.63

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Solution

The fourth proportional to 29,342.08, 40,491.79 and 15,913.63 is: 21,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,342.08 : 40,491.79 = 15,913.63 : x
  2. Step 2: Convert to fraction form
    29,342.08/40,491.79 = 15,913.63/x
  3. Step 3: Cross multiply
    29,342.08x = 40,491.79 × 15,913.63
  4. Step 4: Simplify right side
    29,342.08x = 644,371,364.10
  5. Step 5: Solve for x
    x = 644,371,364.10/29,342.08
  6. Step 6: Final answer
    x = 21,960.66

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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.