Home / 56,035.17-77,328.54-30,884.67

Finding the Fourth Proportional to 56,035.17, 77,328.54 and 30,884.67

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Solution

The fourth proportional to 56,035.17, 77,328.54 and 30,884.67 is: 42,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,035.17 : 77,328.54 = 30,884.67 : x
  2. Step 2: Convert to fraction form
    56,035.17/77,328.54 = 30,884.67/x
  3. Step 3: Cross multiply
    56,035.17x = 77,328.54 × 30,884.67
  4. Step 4: Simplify right side
    56,035.17x = 2,388,266,439.48
  5. Step 5: Solve for x
    x = 2,388,266,439.48/56,035.17
  6. Step 6: Final answer
    x = 42,620.85

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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.