Home / 56,878.32-78,494.22-31,732.68

Finding the Fourth Proportional to 56,878.32, 78,494.22 and 31,732.68

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Solution

The fourth proportional to 56,878.32, 78,494.22 and 31,732.68 is: 43,792.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,878.32 : 78,494.22 = 31,732.68 : x
  2. Step 2: Convert to fraction form
    56,878.32/78,494.22 = 31,732.68/x
  3. Step 3: Cross multiply
    56,878.32x = 78,494.22 × 31,732.68
  4. Step 4: Simplify right side
    56,878.32x = 2,490,831,965.11
  5. Step 5: Solve for x
    x = 2,490,831,965.11/56,878.32
  6. Step 6: Final answer
    x = 43,792.29

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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.