Home / 51,435.99-77,153.45-39,032.21

Finding the Fourth Proportional to 51,435.99, 77,153.45 and 39,032.21

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Solution

The fourth proportional to 51,435.99, 77,153.45 and 39,032.21 is: 58,547.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,435.99 : 77,153.45 = 39,032.21 : x
  2. Step 2: Convert to fraction form
    51,435.99/77,153.45 = 39,032.21/x
  3. Step 3: Cross multiply
    51,435.99x = 77,153.45 × 39,032.21
  4. Step 4: Simplify right side
    51,435.99x = 3,011,469,660.35
  5. Step 5: Solve for x
    x = 3,011,469,660.35/51,435.99
  6. Step 6: Final answer
    x = 58,547.91

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1.5x scale

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.