Home / 56,088.92-84,108.74-21,003.98

Finding the Fourth Proportional to 56,088.92, 84,108.74 and 21,003.98

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Solution

The fourth proportional to 56,088.92, 84,108.74 and 21,003.98 is: 31,496.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,088.92 : 84,108.74 = 21,003.98 : x
  2. Step 2: Convert to fraction form
    56,088.92/84,108.74 = 21,003.98/x
  3. Step 3: Cross multiply
    56,088.92x = 84,108.74 × 21,003.98
  4. Step 4: Simplify right side
    56,088.92x = 1,766,617,767.22
  5. Step 5: Solve for x
    x = 1,766,617,767.22/56,088.92
  6. Step 6: Final answer
    x = 31,496.74

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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.