Home / 36,985.46-51,039.79-20,854.51

Finding the Fourth Proportional to 36,985.46, 51,039.79 and 20,854.51

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Solution

The fourth proportional to 36,985.46, 51,039.79 and 20,854.51 is: 28,779.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,985.46 : 51,039.79 = 20,854.51 : x
  2. Step 2: Convert to fraction form
    36,985.46/51,039.79 = 20,854.51/x
  3. Step 3: Cross multiply
    36,985.46x = 51,039.79 × 20,854.51
  4. Step 4: Simplify right side
    36,985.46x = 1,064,409,918.32
  5. Step 5: Solve for x
    x = 1,064,409,918.32/36,985.46
  6. Step 6: Final answer
    x = 28,779.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.