Home / 30,099.30-41,534.70-16,669.50

Finding the Fourth Proportional to 30,099.30, 41,534.70 and 16,669.50

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Solution

The fourth proportional to 30,099.30, 41,534.70 and 16,669.50 is: 23,002.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,099.30 : 41,534.70 = 16,669.50 : x
  2. Step 2: Convert to fraction form
    30,099.30/41,534.70 = 16,669.50/x
  3. Step 3: Cross multiply
    30,099.30x = 41,534.70 × 16,669.50
  4. Step 4: Simplify right side
    30,099.30x = 692,362,681.65
  5. Step 5: Solve for x
    x = 692,362,681.65/30,099.30
  6. Step 6: Final answer
    x = 23,002.62

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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.