Home / 40,153.92-60,119.64-30,263.28

Finding the Fourth Proportional to 40,153.92, 60,119.64 and 30,263.28

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Solution

The fourth proportional to 40,153.92, 60,119.64 and 30,263.28 is: 45,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,153.92 : 60,119.64 = 30,263.28 : x
  2. Step 2: Convert to fraction form
    40,153.92/60,119.64 = 30,263.28/x
  3. Step 3: Cross multiply
    40,153.92x = 60,119.64 × 30,263.28
  4. Step 4: Simplify right side
    40,153.92x = 1,819,417,498.82
  5. Step 5: Solve for x
    x = 1,819,417,498.82/40,153.92
  6. Step 6: Final answer
    x = 45,311.08

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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.