Home / 29,341.83-40,491.45-15,913.38

Finding the Fourth Proportional to 29,341.83, 40,491.45 and 15,913.38

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Solution

The fourth proportional to 29,341.83, 40,491.45 and 15,913.38 is: 21,960.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,341.83 : 40,491.45 = 15,913.38 : x
  2. Step 2: Convert to fraction form
    29,341.83/40,491.45 = 15,913.38/x
  3. Step 3: Cross multiply
    29,341.83x = 40,491.45 × 15,913.38
  4. Step 4: Simplify right side
    29,341.83x = 644,355,830.60
  5. Step 5: Solve for x
    x = 644,355,830.60/29,341.83
  6. Step 6: Final answer
    x = 21,960.32

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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.