Home / 30,415.40-45,611.44-14,616.04

Finding the Fourth Proportional to 30,415.40, 45,611.44 and 14,616.04

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Solution

The fourth proportional to 30,415.40, 45,611.44 and 14,616.04 is: 21,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,415.40 : 45,611.44 = 14,616.04 : x
  2. Step 2: Convert to fraction form
    30,415.40/45,611.44 = 14,616.04/x
  3. Step 3: Cross multiply
    30,415.40x = 45,611.44 × 14,616.04
  4. Step 4: Simplify right side
    30,415.40x = 666,658,631.50
  5. Step 5: Solve for x
    x = 666,658,631.50/30,415.40
  6. Step 6: Final answer
    x = 21,918.46

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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.