Home / 34,501.36-47,583-21,230.32

Finding the Fourth Proportional to 34,501.36, 47,583 and 21,230.32

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Solution

The fourth proportional to 34,501.36, 47,583 and 21,230.32 is: 29,280.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,501.36 : 47,583 = 21,230.32 : x
  2. Step 2: Convert to fraction form
    34,501.36/47,583 = 21,230.32/x
  3. Step 3: Cross multiply
    34,501.36x = 47,583 × 21,230.32
  4. Step 4: Simplify right side
    34,501.36x = 1,010,202,316.56
  5. Step 5: Solve for x
    x = 1,010,202,316.56/34,501.36
  6. Step 6: Final answer
    x = 29,280.07

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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.