Home / 51,690.33-77,496.57-26,393.58

Finding the Fourth Proportional to 51,690.33, 77,496.57 and 26,393.58

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Solution

The fourth proportional to 51,690.33, 77,496.57 and 26,393.58 is: 39,570.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,690.33 : 77,496.57 = 26,393.58 : x
  2. Step 2: Convert to fraction form
    51,690.33/77,496.57 = 26,393.58/x
  3. Step 3: Cross multiply
    51,690.33x = 77,496.57 × 26,393.58
  4. Step 4: Simplify right side
    51,690.33x = 2,045,411,920.02
  5. Step 5: Solve for x
    x = 2,045,411,920.02/51,690.33
  6. Step 6: Final answer
    x = 39,570.49

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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.