Home / 56,416.92-84,626.86-18,977.64

Finding the Fourth Proportional to 56,416.92, 84,626.86 and 18,977.64

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Solution

The fourth proportional to 56,416.92, 84,626.86 and 18,977.64 is: 28,466.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,416.92 : 84,626.86 = 18,977.64 : x
  2. Step 2: Convert to fraction form
    56,416.92/84,626.86 = 18,977.64/x
  3. Step 3: Cross multiply
    56,416.92x = 84,626.86 × 18,977.64
  4. Step 4: Simplify right side
    56,416.92x = 1,606,018,083.41
  5. Step 5: Solve for x
    x = 1,606,018,083.41/56,416.92
  6. Step 6: Final answer
    x = 28,466.96

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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.