Home / 30,417.19-45,630.14-9,358.99

Finding the Fourth Proportional to 30,417.19, 45,630.14 and 9,358.99

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Solution

The fourth proportional to 30,417.19, 45,630.14 and 9,358.99 is: 14,039.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,417.19 : 45,630.14 = 9,358.99 : x
  2. Step 2: Convert to fraction form
    30,417.19/45,630.14 = 9,358.99/x
  3. Step 3: Cross multiply
    30,417.19x = 45,630.14 × 9,358.99
  4. Step 4: Simplify right side
    30,417.19x = 427,052,023.96
  5. Step 5: Solve for x
    x = 427,052,023.96/30,417.19
  6. Step 6: Final answer
    x = 14,039.82

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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.