Home / 62,628.72-86,426.64-34,334.60

Finding the Fourth Proportional to 62,628.72, 86,426.64 and 34,334.60

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Solution

The fourth proportional to 62,628.72, 86,426.64 and 34,334.60 is: 47,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,628.72 : 86,426.64 = 34,334.60 : x
  2. Step 2: Convert to fraction form
    62,628.72/86,426.64 = 34,334.60/x
  3. Step 3: Cross multiply
    62,628.72x = 86,426.64 × 34,334.60
  4. Step 4: Simplify right side
    62,628.72x = 2,967,424,113.74
  5. Step 5: Solve for x
    x = 2,967,424,113.74/62,628.72
  6. Step 6: Final answer
    x = 47,381.20

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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.