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Finding the Fourth Proportional to 30,243.84, 45,365.76 and 14,663.76

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Solution

The fourth proportional to 30,243.84, 45,365.76 and 14,663.76 is: 21,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.84 : 45,365.76 = 14,663.76 : x
  2. Step 2: Convert to fraction form
    30,243.84/45,365.76 = 14,663.76/x
  3. Step 3: Cross multiply
    30,243.84x = 45,365.76 × 14,663.76
  4. Step 4: Simplify right side
    30,243.84x = 665,232,616.86
  5. Step 5: Solve for x
    x = 665,232,616.86/30,243.84
  6. Step 6: Final answer
    x = 21,995.64

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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.