Home / 49,356.45-74,030.08-13,820.99

Finding the Fourth Proportional to 49,356.45, 74,030.08 and 13,820.99

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Solution

The fourth proportional to 49,356.45, 74,030.08 and 13,820.99 is: 20,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,356.45 : 74,030.08 = 13,820.99 : x
  2. Step 2: Convert to fraction form
    49,356.45/74,030.08 = 13,820.99/x
  3. Step 3: Cross multiply
    49,356.45x = 74,030.08 × 13,820.99
  4. Step 4: Simplify right side
    49,356.45x = 1,023,168,995.38
  5. Step 5: Solve for x
    x = 1,023,168,995.38/49,356.45
  6. Step 6: Final answer
    x = 20,730.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.