Home / 53,012.50-73,158.09-30,351.40

Finding the Fourth Proportional to 53,012.50, 73,158.09 and 30,351.40

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Solution

The fourth proportional to 53,012.50, 73,158.09 and 30,351.40 is: 41,885.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,012.50 : 73,158.09 = 30,351.40 : x
  2. Step 2: Convert to fraction form
    53,012.50/73,158.09 = 30,351.40/x
  3. Step 3: Cross multiply
    53,012.50x = 73,158.09 × 30,351.40
  4. Step 4: Simplify right side
    53,012.50x = 2,220,450,452.83
  5. Step 5: Solve for x
    x = 2,220,450,452.83/53,012.50
  6. Step 6: Final answer
    x = 41,885.41

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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.