Home / 56,492.83-84,750.18-21,457.09

Finding the Fourth Proportional to 56,492.83, 84,750.18 and 21,457.09

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Solution

The fourth proportional to 56,492.83, 84,750.18 and 21,457.09 is: 32,189.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,492.83 : 84,750.18 = 21,457.09 : x
  2. Step 2: Convert to fraction form
    56,492.83/84,750.18 = 21,457.09/x
  3. Step 3: Cross multiply
    56,492.83x = 84,750.18 × 21,457.09
  4. Step 4: Simplify right side
    56,492.83x = 1,818,492,239.78
  5. Step 5: Solve for x
    x = 1,818,492,239.78/56,492.83
  6. Step 6: Final answer
    x = 32,189.79

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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.