Home / 51,126.75-70,549.23-28,460.52

Finding the Fourth Proportional to 51,126.75, 70,549.23 and 28,460.52

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Solution

The fourth proportional to 51,126.75, 70,549.23 and 28,460.52 is: 39,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,126.75 : 70,549.23 = 28,460.52 : x
  2. Step 2: Convert to fraction form
    51,126.75/70,549.23 = 28,460.52/x
  3. Step 3: Cross multiply
    51,126.75x = 70,549.23 × 28,460.52
  4. Step 4: Simplify right side
    51,126.75x = 2,007,867,771.40
  5. Step 5: Solve for x
    x = 2,007,867,771.40/51,126.75
  6. Step 6: Final answer
    x = 39,272.35

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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.