Home / 30,624.08-45,946.20-13,108.88

Finding the Fourth Proportional to 30,624.08, 45,946.20 and 13,108.88

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Solution

The fourth proportional to 30,624.08, 45,946.20 and 13,108.88 is: 19,667.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,624.08 : 45,946.20 = 13,108.88 : x
  2. Step 2: Convert to fraction form
    30,624.08/45,946.20 = 13,108.88/x
  3. Step 3: Cross multiply
    30,624.08x = 45,946.20 × 13,108.88
  4. Step 4: Simplify right side
    30,624.08x = 602,303,222.26
  5. Step 5: Solve for x
    x = 602,303,222.26/30,624.08
  6. Step 6: Final answer
    x = 19,667.63

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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.