Home / 61,280.37-84,576.12-37,420.81

Finding the Fourth Proportional to 61,280.37, 84,576.12 and 37,420.81

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Solution

The fourth proportional to 61,280.37, 84,576.12 and 37,420.81 is: 51,646.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,280.37 : 84,576.12 = 37,420.81 : x
  2. Step 2: Convert to fraction form
    61,280.37/84,576.12 = 37,420.81/x
  3. Step 3: Cross multiply
    61,280.37x = 84,576.12 × 37,420.81
  4. Step 4: Simplify right side
    61,280.37x = 3,164,906,917.06
  5. Step 5: Solve for x
    x = 3,164,906,917.06/61,280.37
  6. Step 6: Final answer
    x = 51,646.34

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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.