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Finding the Fourth Proportional to 30,407.04, 45,617.04 and 9,630.72

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Solution

The fourth proportional to 30,407.04, 45,617.04 and 9,630.72 is: 14,448.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,407.04 : 45,617.04 = 9,630.72 : x
  2. Step 2: Convert to fraction form
    30,407.04/45,617.04 = 9,630.72/x
  3. Step 3: Cross multiply
    30,407.04x = 45,617.04 × 9,630.72
  4. Step 4: Simplify right side
    30,407.04x = 439,324,939.47
  5. Step 5: Solve for x
    x = 439,324,939.47/30,407.04
  6. Step 6: Final answer
    x = 14,448.13

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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.