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Finding the Fourth Proportional to 32,698.85, 45,125.90 and 19,270.67

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Solution

The fourth proportional to 32,698.85, 45,125.90 and 19,270.67 is: 26,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,698.85 : 45,125.90 = 19,270.67 : x
  2. Step 2: Convert to fraction form
    32,698.85/45,125.90 = 19,270.67/x
  3. Step 3: Cross multiply
    32,698.85x = 45,125.90 × 19,270.67
  4. Step 4: Simplify right side
    32,698.85x = 869,606,488.34
  5. Step 5: Solve for x
    x = 869,606,488.34/32,698.85
  6. Step 6: Final answer
    x = 26,594.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.