Home / 30,445.09-41,986.92-25,357.50

Finding the Fourth Proportional to 30,445.09, 41,986.92 and 25,357.50

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Solution

The fourth proportional to 30,445.09, 41,986.92 and 25,357.50 is: 34,970.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,445.09 : 41,986.92 = 25,357.50 : x
  2. Step 2: Convert to fraction form
    30,445.09/41,986.92 = 25,357.50/x
  3. Step 3: Cross multiply
    30,445.09x = 41,986.92 × 25,357.50
  4. Step 4: Simplify right side
    30,445.09x = 1,064,683,323.90
  5. Step 5: Solve for x
    x = 1,064,683,323.90/30,445.09
  6. Step 6: Final answer
    x = 34,970.61

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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.