Home / 70,367.28-97,106.88-38,538.18

Finding the Fourth Proportional to 70,367.28, 97,106.88 and 38,538.18

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Solution

The fourth proportional to 70,367.28, 97,106.88 and 38,538.18 is: 53,182.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,367.28 : 97,106.88 = 38,538.18 : x
  2. Step 2: Convert to fraction form
    70,367.28/97,106.88 = 38,538.18/x
  3. Step 3: Cross multiply
    70,367.28x = 97,106.88 × 38,538.18
  4. Step 4: Simplify right side
    70,367.28x = 3,742,322,420.68
  5. Step 5: Solve for x
    x = 3,742,322,420.68/70,367.28
  6. Step 6: Final answer
    x = 53,182.71

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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.