Home / 66,328.85-99,359.76-30,740.15

Finding the Fourth Proportional to 66,328.85, 99,359.76 and 30,740.15

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Solution

The fourth proportional to 66,328.85, 99,359.76 and 30,740.15 is: 46,048.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,328.85 : 99,359.76 = 30,740.15 : x
  2. Step 2: Convert to fraction form
    66,328.85/99,359.76 = 30,740.15/x
  3. Step 3: Cross multiply
    66,328.85x = 99,359.76 × 30,740.15
  4. Step 4: Simplify right side
    66,328.85x = 3,054,333,926.36
  5. Step 5: Solve for x
    x = 3,054,333,926.36/66,328.85
  6. Step 6: Final answer
    x = 46,048.35

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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.