Home / 35,730.28-49,307.62-19,814.69

Finding the Fourth Proportional to 35,730.28, 49,307.62 and 19,814.69

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Solution

The fourth proportional to 35,730.28, 49,307.62 and 19,814.69 is: 27,344.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,730.28 : 49,307.62 = 19,814.69 : x
  2. Step 2: Convert to fraction form
    35,730.28/49,307.62 = 19,814.69/x
  3. Step 3: Cross multiply
    35,730.28x = 49,307.62 × 19,814.69
  4. Step 4: Simplify right side
    35,730.28x = 977,015,204.94
  5. Step 5: Solve for x
    x = 977,015,204.94/35,730.28
  6. Step 6: Final answer
    x = 27,344.18

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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.