Home / 40,697.36-61,045.32-12,995.36

Finding the Fourth Proportional to 40,697.36, 61,045.32 and 12,995.36

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Solution

The fourth proportional to 40,697.36, 61,045.32 and 12,995.36 is: 19,492.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,697.36 : 61,045.32 = 12,995.36 : x
  2. Step 2: Convert to fraction form
    40,697.36/61,045.32 = 12,995.36/x
  3. Step 3: Cross multiply
    40,697.36x = 61,045.32 × 12,995.36
  4. Step 4: Simplify right side
    40,697.36x = 793,305,909.72
  5. Step 5: Solve for x
    x = 793,305,909.72/40,697.36
  6. Step 6: Final answer
    x = 19,492.81

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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.