Home / 64,851.19-97,279.77-19,869.32

Finding the Fourth Proportional to 64,851.19, 97,279.77 and 19,869.32

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Solution

The fourth proportional to 64,851.19, 97,279.77 and 19,869.32 is: 29,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,851.19 : 97,279.77 = 19,869.32 : x
  2. Step 2: Convert to fraction form
    64,851.19/97,279.77 = 19,869.32/x
  3. Step 3: Cross multiply
    64,851.19x = 97,279.77 × 19,869.32
  4. Step 4: Simplify right side
    64,851.19x = 1,932,883,048.35
  5. Step 5: Solve for x
    x = 1,932,883,048.35/64,851.19
  6. Step 6: Final answer
    x = 29,804.90

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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.