Home / 71,036.50-98,030.58-38,771.42

Finding the Fourth Proportional to 71,036.50, 98,030.58 and 38,771.42

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Solution

The fourth proportional to 71,036.50, 98,030.58 and 38,771.42 is: 53,504.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,036.50 : 98,030.58 = 38,771.42 : x
  2. Step 2: Convert to fraction form
    71,036.50/98,030.58 = 38,771.42/x
  3. Step 3: Cross multiply
    71,036.50x = 98,030.58 × 38,771.42
  4. Step 4: Simplify right side
    71,036.50x = 3,800,784,154.48
  5. Step 5: Solve for x
    x = 3,800,784,154.48/71,036.50
  6. Step 6: Final answer
    x = 53,504.67

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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.