Home / 70,742.44-97,622.51-38,911.33

Finding the Fourth Proportional to 70,742.44, 97,622.51 and 38,911.33

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Solution

The fourth proportional to 70,742.44, 97,622.51 and 38,911.33 is: 53,696.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,742.44 : 97,622.51 = 38,911.33 : x
  2. Step 2: Convert to fraction form
    70,742.44/97,622.51 = 38,911.33/x
  3. Step 3: Cross multiply
    70,742.44x = 97,622.51 × 38,911.33
  4. Step 4: Simplify right side
    70,742.44x = 3,798,621,702.04
  5. Step 5: Solve for x
    x = 3,798,621,702.04/70,742.44
  6. Step 6: Final answer
    x = 53,696.50

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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.