Home / 64,969.18-97,457.40-18,225.70

Finding the Fourth Proportional to 64,969.18, 97,457.40 and 18,225.70

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Solution

The fourth proportional to 64,969.18, 97,457.40 and 18,225.70 is: 27,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,969.18 : 97,457.40 = 18,225.70 : x
  2. Step 2: Convert to fraction form
    64,969.18/97,457.40 = 18,225.70/x
  3. Step 3: Cross multiply
    64,969.18x = 97,457.40 × 18,225.70
  4. Step 4: Simplify right side
    64,969.18x = 1,776,229,335.18
  5. Step 5: Solve for x
    x = 1,776,229,335.18/64,969.18
  6. Step 6: Final answer
    x = 27,339.57

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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.