Home / 30,604.16-45,897.84-8,412.32

Finding the Fourth Proportional to 30,604.16, 45,897.84 and 8,412.32

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Solution

The fourth proportional to 30,604.16, 45,897.84 and 8,412.32 is: 12,616.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,604.16 : 45,897.84 = 8,412.32 : x
  2. Step 2: Convert to fraction form
    30,604.16/45,897.84 = 8,412.32/x
  3. Step 3: Cross multiply
    30,604.16x = 45,897.84 × 8,412.32
  4. Step 4: Simplify right side
    30,604.16x = 386,107,317.39
  5. Step 5: Solve for x
    x = 386,107,317.39/30,604.16
  6. Step 6: Final answer
    x = 12,616.17

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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.