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Finding the Fourth Proportional to 30,637.84, 45,956.76 and 8,749.84

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Solution

The fourth proportional to 30,637.84, 45,956.76 and 8,749.84 is: 13,124.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,637.84 : 45,956.76 = 8,749.84 : x
  2. Step 2: Convert to fraction form
    30,637.84/45,956.76 = 8,749.84/x
  3. Step 3: Cross multiply
    30,637.84x = 45,956.76 × 8,749.84
  4. Step 4: Simplify right side
    30,637.84x = 402,114,296.92
  5. Step 5: Solve for x
    x = 402,114,296.92/30,637.84
  6. Step 6: Final answer
    x = 13,124.76

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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.