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Finding the Fourth Proportional to 30,602.25, 45,909.95 and 9,541.85

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Solution

The fourth proportional to 30,602.25, 45,909.95 and 9,541.85 is: 14,314.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602.25 : 45,909.95 = 9,541.85 : x
  2. Step 2: Convert to fraction form
    30,602.25/45,909.95 = 9,541.85/x
  3. Step 3: Cross multiply
    30,602.25x = 45,909.95 × 9,541.85
  4. Step 4: Simplify right side
    30,602.25x = 438,065,579.15
  5. Step 5: Solve for x
    x = 438,065,579.15/30,602.25
  6. Step 6: Final answer
    x = 14,314.82

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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.