Home / 54,890.02-75,760.65-31,030.54

Finding the Fourth Proportional to 54,890.02, 75,760.65 and 31,030.54

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Solution

The fourth proportional to 54,890.02, 75,760.65 and 31,030.54 is: 42,829.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,890.02 : 75,760.65 = 31,030.54 : x
  2. Step 2: Convert to fraction form
    54,890.02/75,760.65 = 31,030.54/x
  3. Step 3: Cross multiply
    54,890.02x = 75,760.65 × 31,030.54
  4. Step 4: Simplify right side
    54,890.02x = 2,350,893,880.25
  5. Step 5: Solve for x
    x = 2,350,893,880.25/54,890.02
  6. Step 6: Final answer
    x = 42,829.17

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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.