Home / 53,401.20-73,697.13-30,742.98

Finding the Fourth Proportional to 53,401.20, 73,697.13 and 30,742.98

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Solution

The fourth proportional to 53,401.20, 73,697.13 and 30,742.98 is: 42,427.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,401.20 : 73,697.13 = 30,742.98 : x
  2. Step 2: Convert to fraction form
    53,401.20/73,697.13 = 30,742.98/x
  3. Step 3: Cross multiply
    53,401.20x = 73,697.13 × 30,742.98
  4. Step 4: Simplify right side
    53,401.20x = 2,265,669,393.65
  5. Step 5: Solve for x
    x = 2,265,669,393.65/53,401.20
  6. Step 6: Final answer
    x = 42,427.31

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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.