Home / 53,080.37-73,242.55-30,415.00

Finding the Fourth Proportional to 53,080.37, 73,242.55 and 30,415.00

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Solution

The fourth proportional to 53,080.37, 73,242.55 and 30,415.00 is: 41,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,080.37 : 73,242.55 = 30,415.00 : x
  2. Step 2: Convert to fraction form
    53,080.37/73,242.55 = 30,415.00/x
  3. Step 3: Cross multiply
    53,080.37x = 73,242.55 × 30,415.00
  4. Step 4: Simplify right side
    53,080.37x = 2,227,671,979.41
  5. Step 5: Solve for x
    x = 2,227,671,979.41/53,080.37
  6. Step 6: Final answer
    x = 41,967.91

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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.