Home / 56,969.19-78,624.81-34,319.97

Finding the Fourth Proportional to 56,969.19, 78,624.81 and 34,319.97

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Solution

The fourth proportional to 56,969.19, 78,624.81 and 34,319.97 is: 47,365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,969.19 : 78,624.81 = 34,319.97 : x
  2. Step 2: Convert to fraction form
    56,969.19/78,624.81 = 34,319.97/x
  3. Step 3: Cross multiply
    56,969.19x = 78,624.81 × 34,319.97
  4. Step 4: Simplify right side
    56,969.19x = 2,698,401,120.46
  5. Step 5: Solve for x
    x = 2,698,401,120.46/56,969.19
  6. Step 6: Final answer
    x = 47,365.97

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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.