Home / 40,638.58-55,956.63-35,574.46

Finding the Fourth Proportional to 40,638.58, 55,956.63 and 35,574.46

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Solution

The fourth proportional to 40,638.58, 55,956.63 and 35,574.46 is: 48,983.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,638.58 : 55,956.63 = 35,574.46 : x
  2. Step 2: Convert to fraction form
    40,638.58/55,956.63 = 35,574.46/x
  3. Step 3: Cross multiply
    40,638.58x = 55,956.63 × 35,574.46
  4. Step 4: Simplify right side
    40,638.58x = 1,990,626,895.67
  5. Step 5: Solve for x
    x = 1,990,626,895.67/40,638.58
  6. Step 6: Final answer
    x = 48,983.67

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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.