Home / 30,583.55-45,864.32-10,587.61

Finding the Fourth Proportional to 30,583.55, 45,864.32 and 10,587.61

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Solution

The fourth proportional to 30,583.55, 45,864.32 and 10,587.61 is: 15,877.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,583.55 : 45,864.32 = 10,587.61 : x
  2. Step 2: Convert to fraction form
    30,583.55/45,864.32 = 10,587.61/x
  3. Step 3: Cross multiply
    30,583.55x = 45,864.32 × 10,587.61
  4. Step 4: Simplify right side
    30,583.55x = 485,593,533.08
  5. Step 5: Solve for x
    x = 485,593,533.08/30,583.55
  6. Step 6: Final answer
    x = 15,877.61

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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.