Home / 56,457.96-84,695.18-30,148.36

Finding the Fourth Proportional to 56,457.96, 84,695.18 and 30,148.36

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Solution

The fourth proportional to 56,457.96, 84,695.18 and 30,148.36 is: 45,226.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,457.96 : 84,695.18 = 30,148.36 : x
  2. Step 2: Convert to fraction form
    56,457.96/84,695.18 = 30,148.36/x
  3. Step 3: Cross multiply
    56,457.96x = 84,695.18 × 30,148.36
  4. Step 4: Simplify right side
    56,457.96x = 2,553,420,776.90
  5. Step 5: Solve for x
    x = 2,553,420,776.90/56,457.96
  6. Step 6: Final answer
    x = 45,226.94

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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.