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Finding the Fourth Proportional to 30,403.70, 45,600.99 and 9,624.50

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Solution

The fourth proportional to 30,403.70, 45,600.99 and 9,624.50 is: 14,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,403.70 : 45,600.99 = 9,624.50 : x
  2. Step 2: Convert to fraction form
    30,403.70/45,600.99 = 9,624.50/x
  3. Step 3: Cross multiply
    30,403.70x = 45,600.99 × 9,624.50
  4. Step 4: Simplify right side
    30,403.70x = 438,886,728.26
  5. Step 5: Solve for x
    x = 438,886,728.26/30,403.70
  6. Step 6: Final answer
    x = 14,435.31

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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.