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Finding the Fourth Proportional to 30,341.52, 45,510.72 and 11,630.52

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Solution

The fourth proportional to 30,341.52, 45,510.72 and 11,630.52 is: 17,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,341.52 : 45,510.72 = 11,630.52 : x
  2. Step 2: Convert to fraction form
    30,341.52/45,510.72 = 11,630.52/x
  3. Step 3: Cross multiply
    30,341.52x = 45,510.72 × 11,630.52
  4. Step 4: Simplify right side
    30,341.52x = 529,313,339.17
  5. Step 5: Solve for x
    x = 529,313,339.17/30,341.52
  6. Step 6: Final answer
    x = 17,445.18

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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.