Home / 55,699.58-76,858.35-31,827.80

Finding the Fourth Proportional to 55,699.58, 76,858.35 and 31,827.80

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Solution

The fourth proportional to 55,699.58, 76,858.35 and 31,827.80 is: 43,918.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,699.58 : 76,858.35 = 31,827.80 : x
  2. Step 2: Convert to fraction form
    55,699.58/76,858.35 = 31,827.80/x
  3. Step 3: Cross multiply
    55,699.58x = 76,858.35 × 31,827.80
  4. Step 4: Simplify right side
    55,699.58x = 2,446,232,192.13
  5. Step 5: Solve for x
    x = 2,446,232,192.13/55,699.58
  6. Step 6: Final answer
    x = 43,918.32

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1.5x scale

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.