Home / 30,426.75-45,644.40-9,368.55

Finding the Fourth Proportional to 30,426.75, 45,644.40 and 9,368.55

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Solution

The fourth proportional to 30,426.75, 45,644.40 and 9,368.55 is: 14,054.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,426.75 : 45,644.40 = 9,368.55 : x
  2. Step 2: Convert to fraction form
    30,426.75/45,644.40 = 9,368.55/x
  3. Step 3: Cross multiply
    30,426.75x = 45,644.40 × 9,368.55
  4. Step 4: Simplify right side
    30,426.75x = 427,621,843.62
  5. Step 5: Solve for x
    x = 427,621,843.62/30,426.75
  6. Step 6: Final answer
    x = 14,054.14

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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.