Home / 54,420.02-81,580.74-19,351.47

Finding the Fourth Proportional to 54,420.02, 81,580.74 and 19,351.47

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Solution

The fourth proportional to 54,420.02, 81,580.74 and 19,351.47 is: 29,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,420.02 : 81,580.74 = 19,351.47 : x
  2. Step 2: Convert to fraction form
    54,420.02/81,580.74 = 19,351.47/x
  3. Step 3: Cross multiply
    54,420.02x = 81,580.74 × 19,351.47
  4. Step 4: Simplify right side
    54,420.02x = 1,578,707,242.69
  5. Step 5: Solve for x
    x = 1,578,707,242.69/54,420.02
  6. Step 6: Final answer
    x = 29,009.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.