Home / 56,170.51-77,479.71-42,712.26

Finding the Fourth Proportional to 56,170.51, 77,479.71 and 42,712.26

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Solution

The fourth proportional to 56,170.51, 77,479.71 and 42,712.26 is: 58,915.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,170.51 : 77,479.71 = 42,712.26 : x
  2. Step 2: Convert to fraction form
    56,170.51/77,479.71 = 42,712.26/x
  3. Step 3: Cross multiply
    56,170.51x = 77,479.71 × 42,712.26
  4. Step 4: Simplify right side
    56,170.51x = 3,309,333,863.73
  5. Step 5: Solve for x
    x = 3,309,333,863.73/56,170.51
  6. Step 6: Final answer
    x = 58,915.86

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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.