Home / 30,377.73-45,573.27-9,320.67

Finding the Fourth Proportional to 30,377.73, 45,573.27 and 9,320.67

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Solution

The fourth proportional to 30,377.73, 45,573.27 and 9,320.67 is: 13,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,377.73 : 45,573.27 = 9,320.67 : x
  2. Step 2: Convert to fraction form
    30,377.73/45,573.27 = 9,320.67/x
  3. Step 3: Cross multiply
    30,377.73x = 45,573.27 × 9,320.67
  4. Step 4: Simplify right side
    30,377.73x = 424,773,410.49
  5. Step 5: Solve for x
    x = 424,773,410.49/30,377.73
  6. Step 6: Final answer
    x = 13,983.05

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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.