Home / 43,635.89-65,457.63-12,045.98

Finding the Fourth Proportional to 43,635.89, 65,457.63 and 12,045.98

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Solution

The fourth proportional to 43,635.89, 65,457.63 and 12,045.98 is: 18,070.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,635.89 : 65,457.63 = 12,045.98 : x
  2. Step 2: Convert to fraction form
    43,635.89/65,457.63 = 12,045.98/x
  3. Step 3: Cross multiply
    43,635.89x = 65,457.63 × 12,045.98
  4. Step 4: Simplify right side
    43,635.89x = 788,500,914.31
  5. Step 5: Solve for x
    x = 788,500,914.31/43,635.89
  6. Step 6: Final answer
    x = 18,070.01

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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.