Home / 36,870.17-50,880.87-20,957.67

Finding the Fourth Proportional to 36,870.17, 50,880.87 and 20,957.67

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Solution

The fourth proportional to 36,870.17, 50,880.87 and 20,957.67 is: 28,921.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,870.17 : 50,880.87 = 20,957.67 : x
  2. Step 2: Convert to fraction form
    36,870.17/50,880.87 = 20,957.67/x
  3. Step 3: Cross multiply
    36,870.17x = 50,880.87 × 20,957.67
  4. Step 4: Simplify right side
    36,870.17x = 1,066,344,482.77
  5. Step 5: Solve for x
    x = 1,066,344,482.77/36,870.17
  6. Step 6: Final answer
    x = 28,921.61

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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.