Home / 40,378.46-60,528.34-19,313.00

Finding the Fourth Proportional to 40,378.46, 60,528.34 and 19,313.00

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Solution

The fourth proportional to 40,378.46, 60,528.34 and 19,313.00 is: 28,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,378.46 : 60,528.34 = 19,313.00 : x
  2. Step 2: Convert to fraction form
    40,378.46/60,528.34 = 19,313.00/x
  3. Step 3: Cross multiply
    40,378.46x = 60,528.34 × 19,313.00
  4. Step 4: Simplify right side
    40,378.46x = 1,168,983,479.50
  5. Step 5: Solve for x
    x = 1,168,983,479.50/40,378.46
  6. Step 6: Final answer
    x = 28,950.67

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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.