Home / 56,035.72-84,057-18,088.84

Finding the Fourth Proportional to 56,035.72, 84,057 and 18,088.84

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Solution

The fourth proportional to 56,035.72, 84,057 and 18,088.84 is: 27,134.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,035.72 : 84,057 = 18,088.84 : x
  2. Step 2: Convert to fraction form
    56,035.72/84,057 = 18,088.84/x
  3. Step 3: Cross multiply
    56,035.72x = 84,057 × 18,088.84
  4. Step 4: Simplify right side
    56,035.72x = 1,520,493,623.88
  5. Step 5: Solve for x
    x = 1,520,493,623.88/56,035.72
  6. Step 6: Final answer
    x = 27,134.36

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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.