Home / 49,410.48-68,130.03-39,339.35

Finding the Fourth Proportional to 49,410.48, 68,130.03 and 39,339.35

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Solution

The fourth proportional to 49,410.48, 68,130.03 and 39,339.35 is: 54,243.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,410.48 : 68,130.03 = 39,339.35 : x
  2. Step 2: Convert to fraction form
    49,410.48/68,130.03 = 39,339.35/x
  3. Step 3: Cross multiply
    49,410.48x = 68,130.03 × 39,339.35
  4. Step 4: Simplify right side
    49,410.48x = 2,680,191,095.68
  5. Step 5: Solve for x
    x = 2,680,191,095.68/49,410.48
  6. Step 6: Final answer
    x = 54,243.37

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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.