Home / 71,966.16-107,946.81-19,373.67

Finding the Fourth Proportional to 71,966.16, 107,946.81 and 19,373.67

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Solution

The fourth proportional to 71,966.16, 107,946.81 and 19,373.67 is: 29,059.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,966.16 : 107,946.81 = 19,373.67 : x
  2. Step 2: Convert to fraction form
    71,966.16/107,946.81 = 19,373.67/x
  3. Step 3: Cross multiply
    71,966.16x = 107,946.81 × 19,373.67
  4. Step 4: Simplify right side
    71,966.16x = 2,091,325,874.49
  5. Step 5: Solve for x
    x = 2,091,325,874.49/71,966.16
  6. Step 6: Final answer
    x = 29,059.85

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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.