Home / 30,242.87-45,377.31-10,510.67

Finding the Fourth Proportional to 30,242.87, 45,377.31 and 10,510.67

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Solution

The fourth proportional to 30,242.87, 45,377.31 and 10,510.67 is: 15,770.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242.87 : 45,377.31 = 10,510.67 : x
  2. Step 2: Convert to fraction form
    30,242.87/45,377.31 = 10,510.67/x
  3. Step 3: Cross multiply
    30,242.87x = 45,377.31 × 10,510.67
  4. Step 4: Simplify right side
    30,242.87x = 476,945,930.90
  5. Step 5: Solve for x
    x = 476,945,930.90/30,242.87
  6. Step 6: Final answer
    x = 15,770.52

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1.5x scale

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.