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Finding the Fourth Proportional to 70,270.56, 105,332.40 and 30,794.40

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Solution

The fourth proportional to 70,270.56, 105,332.40 and 30,794.40 is: 46,159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,270.56 : 105,332.40 = 30,794.40 : x
  2. Step 2: Convert to fraction form
    70,270.56/105,332.40 = 30,794.40/x
  3. Step 3: Cross multiply
    70,270.56x = 105,332.40 × 30,794.40
  4. Step 4: Simplify right side
    70,270.56x = 3,243,648,058.56
  5. Step 5: Solve for x
    x = 3,243,648,058.56/70,270.56
  6. Step 6: Final answer
    x = 46,159.42

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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.