Home / 34,583.12-47,724.05-21,153.38

Finding the Fourth Proportional to 34,583.12, 47,724.05 and 21,153.38

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Solution

The fourth proportional to 34,583.12, 47,724.05 and 21,153.38 is: 29,191.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,583.12 : 47,724.05 = 21,153.38 : x
  2. Step 2: Convert to fraction form
    34,583.12/47,724.05 = 21,153.38/x
  3. Step 3: Cross multiply
    34,583.12x = 47,724.05 × 21,153.38
  4. Step 4: Simplify right side
    34,583.12x = 1,009,525,140.37
  5. Step 5: Solve for x
    x = 1,009,525,140.37/34,583.12
  6. Step 6: Final answer
    x = 29,191.27

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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.