Home / 53,636.88-74,022.26-30,980.01

Finding the Fourth Proportional to 53,636.88, 74,022.26 and 30,980.01

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Solution

The fourth proportional to 53,636.88, 74,022.26 and 30,980.01 is: 42,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,636.88 : 74,022.26 = 30,980.01 : x
  2. Step 2: Convert to fraction form
    53,636.88/74,022.26 = 30,980.01/x
  3. Step 3: Cross multiply
    53,636.88x = 74,022.26 × 30,980.01
  4. Step 4: Simplify right side
    53,636.88x = 2,293,210,355.02
  5. Step 5: Solve for x
    x = 2,293,210,355.02/53,636.88
  6. Step 6: Final answer
    x = 42,754.36

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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.