Home / 30,417.12-45,630.06-9,358.94

Finding the Fourth Proportional to 30,417.12, 45,630.06 and 9,358.94

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Solution

The fourth proportional to 30,417.12, 45,630.06 and 9,358.94 is: 14,039.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,417.12 : 45,630.06 = 9,358.94 : x
  2. Step 2: Convert to fraction form
    30,417.12/45,630.06 = 9,358.94/x
  3. Step 3: Cross multiply
    30,417.12x = 45,630.06 × 9,358.94
  4. Step 4: Simplify right side
    30,417.12x = 427,048,765.59
  5. Step 5: Solve for x
    x = 427,048,765.59/30,417.12
  6. Step 6: Final answer
    x = 14,039.75

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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.