Home / 55,005.30-75,798.45-39,045.06

Finding the Fourth Proportional to 55,005.30, 75,798.45 and 39,045.06

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Solution

The fourth proportional to 55,005.30, 75,798.45 and 39,045.06 is: 53,804.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,005.30 : 75,798.45 = 39,045.06 : x
  2. Step 2: Convert to fraction form
    55,005.30/75,798.45 = 39,045.06/x
  3. Step 3: Cross multiply
    55,005.30x = 75,798.45 × 39,045.06
  4. Step 4: Simplify right side
    55,005.30x = 2,959,555,028.16
  5. Step 5: Solve for x
    x = 2,959,555,028.16/55,005.30
  6. Step 6: Final answer
    x = 53,804.91

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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.