Home / 30,266.74-45,400.31-10,545.67

Finding the Fourth Proportional to 30,266.74, 45,400.31 and 10,545.67

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Solution

The fourth proportional to 30,266.74, 45,400.31 and 10,545.67 is: 15,818.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.74 : 45,400.31 = 10,545.67 : x
  2. Step 2: Convert to fraction form
    30,266.74/45,400.31 = 10,545.67/x
  3. Step 3: Cross multiply
    30,266.74x = 45,400.31 × 10,545.67
  4. Step 4: Simplify right side
    30,266.74x = 478,776,687.16
  5. Step 5: Solve for x
    x = 478,776,687.16/30,266.74
  6. Step 6: Final answer
    x = 15,818.57

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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.