Home / 53,629.09-74,009.52-29,431.10

Finding the Fourth Proportional to 53,629.09, 74,009.52 and 29,431.10

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Solution

The fourth proportional to 53,629.09, 74,009.52 and 29,431.10 is: 40,615.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,629.09 : 74,009.52 = 29,431.10 : x
  2. Step 2: Convert to fraction form
    53,629.09/74,009.52 = 29,431.10/x
  3. Step 3: Cross multiply
    53,629.09x = 74,009.52 × 29,431.10
  4. Step 4: Simplify right side
    53,629.09x = 2,178,181,584.07
  5. Step 5: Solve for x
    x = 2,178,181,584.07/53,629.09
  6. Step 6: Final answer
    x = 40,615.67

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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.