Home / 51,189.34-70,631.94-28,527.76

Finding the Fourth Proportional to 51,189.34, 70,631.94 and 28,527.76

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Solution

The fourth proportional to 51,189.34, 70,631.94 and 28,527.76 is: 39,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,189.34 : 70,631.94 = 28,527.76 : x
  2. Step 2: Convert to fraction form
    51,189.34/70,631.94 = 28,527.76/x
  3. Step 3: Cross multiply
    51,189.34x = 70,631.94 × 28,527.76
  4. Step 4: Simplify right side
    51,189.34x = 2,014,971,032.65
  5. Step 5: Solve for x
    x = 2,014,971,032.65/51,189.34
  6. Step 6: Final answer
    x = 39,363.10

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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.