Home / 53,631.09-74,021.67-30,973.77

Finding the Fourth Proportional to 53,631.09, 74,021.67 and 30,973.77

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Solution

The fourth proportional to 53,631.09, 74,021.67 and 30,973.77 is: 42,750.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,631.09 : 74,021.67 = 30,973.77 : x
  2. Step 2: Convert to fraction form
    53,631.09/74,021.67 = 30,973.77/x
  3. Step 3: Cross multiply
    53,631.09x = 74,021.67 × 30,973.77
  4. Step 4: Simplify right side
    53,631.09x = 2,292,730,181.60
  5. Step 5: Solve for x
    x = 2,292,730,181.60/53,631.09
  6. Step 6: Final answer
    x = 42,750.02

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