Home / 51,209.07-70,668.81-28,549.50

Finding the Fourth Proportional to 51,209.07, 70,668.81 and 28,549.50

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Solution

The fourth proportional to 51,209.07, 70,668.81 and 28,549.50 is: 39,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,209.07 : 70,668.81 = 28,549.50 : x
  2. Step 2: Convert to fraction form
    51,209.07/70,668.81 = 28,549.50/x
  3. Step 3: Cross multiply
    51,209.07x = 70,668.81 × 28,549.50
  4. Step 4: Simplify right side
    51,209.07x = 2,017,559,191.10
  5. Step 5: Solve for x
    x = 2,017,559,191.10/51,209.07
  6. Step 6: Final answer
    x = 39,398.47

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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.