Home / 44,409.64-66,647.31-21,036.13

Finding the Fourth Proportional to 44,409.64, 66,647.31 and 21,036.13

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Solution

The fourth proportional to 44,409.64, 66,647.31 and 21,036.13 is: 31,569.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,409.64 : 66,647.31 = 21,036.13 : x
  2. Step 2: Convert to fraction form
    44,409.64/66,647.31 = 21,036.13/x
  3. Step 3: Cross multiply
    44,409.64x = 66,647.31 × 21,036.13
  4. Step 4: Simplify right side
    44,409.64x = 1,402,001,477.31
  5. Step 5: Solve for x
    x = 1,402,001,477.31/44,409.64
  6. Step 6: Final answer
    x = 31,569.76

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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.