Home / 53,931.40-74,425.62-30,057.88

Finding the Fourth Proportional to 53,931.40, 74,425.62 and 30,057.88

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Solution

The fourth proportional to 53,931.40, 74,425.62 and 30,057.88 is: 41,480.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,931.40 : 74,425.62 = 30,057.88 : x
  2. Step 2: Convert to fraction form
    53,931.40/74,425.62 = 30,057.88/x
  3. Step 3: Cross multiply
    53,931.40x = 74,425.62 × 30,057.88
  4. Step 4: Simplify right side
    53,931.40x = 2,237,076,354.89
  5. Step 5: Solve for x
    x = 2,237,076,354.89/53,931.40
  6. Step 6: Final answer
    x = 41,480.03

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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.