Home / 52,390.34-78,460.45-30,157.01

Finding the Fourth Proportional to 52,390.34, 78,460.45 and 30,157.01

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Solution

The fourth proportional to 52,390.34, 78,460.45 and 30,157.01 is: 45,163.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,390.34 : 78,460.45 = 30,157.01 : x
  2. Step 2: Convert to fraction form
    52,390.34/78,460.45 = 30,157.01/x
  3. Step 3: Cross multiply
    52,390.34x = 78,460.45 × 30,157.01
  4. Step 4: Simplify right side
    52,390.34x = 2,366,132,401.79
  5. Step 5: Solve for x
    x = 2,366,132,401.79/52,390.34
  6. Step 6: Final answer
    x = 45,163.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.