Home / 40,431.07-55,779.06-25,317.28

Finding the Fourth Proportional to 40,431.07, 55,779.06 and 25,317.28

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Solution

The fourth proportional to 40,431.07, 55,779.06 and 25,317.28 is: 34,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,431.07 : 55,779.06 = 25,317.28 : x
  2. Step 2: Convert to fraction form
    40,431.07/55,779.06 = 25,317.28/x
  3. Step 3: Cross multiply
    40,431.07x = 55,779.06 × 25,317.28
  4. Step 4: Simplify right side
    40,431.07x = 1,412,174,080.16
  5. Step 5: Solve for x
    x = 1,412,174,080.16/40,431.07
  6. Step 6: Final answer
    x = 34,927.94

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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.