Home / 51,653.09-77,479.51-29,153.57

Finding the Fourth Proportional to 51,653.09, 77,479.51 and 29,153.57

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Solution

The fourth proportional to 51,653.09, 77,479.51 and 29,153.57 is: 43,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,653.09 : 77,479.51 = 29,153.57 : x
  2. Step 2: Convert to fraction form
    51,653.09/77,479.51 = 29,153.57/x
  3. Step 3: Cross multiply
    51,653.09x = 77,479.51 × 29,153.57
  4. Step 4: Simplify right side
    51,653.09x = 2,258,804,051.77
  5. Step 5: Solve for x
    x = 2,258,804,051.77/51,653.09
  6. Step 6: Final answer
    x = 43,730.28

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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.