Home / 84,303.48-126,517.53-39,930.30

Finding the Fourth Proportional to 84,303.48, 126,517.53 and 39,930.30

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Solution

The fourth proportional to 84,303.48, 126,517.53 and 39,930.30 is: 59,924.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,303.48 : 126,517.53 = 39,930.30 : x
  2. Step 2: Convert to fraction form
    84,303.48/126,517.53 = 39,930.30/x
  3. Step 3: Cross multiply
    84,303.48x = 126,517.53 × 39,930.30
  4. Step 4: Simplify right side
    84,303.48x = 5,051,882,928.16
  5. Step 5: Solve for x
    x = 5,051,882,928.16/84,303.48
  6. Step 6: Final answer
    x = 59,924.96

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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.