Home / 70,464.29-97,246.85-38,639.39

Finding the Fourth Proportional to 70,464.29, 97,246.85 and 38,639.39

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Solution

The fourth proportional to 70,464.29, 97,246.85 and 38,639.39 is: 53,325.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,464.29 : 97,246.85 = 38,639.39 : x
  2. Step 2: Convert to fraction form
    70,464.29/97,246.85 = 38,639.39/x
  3. Step 3: Cross multiply
    70,464.29x = 97,246.85 × 38,639.39
  4. Step 4: Simplify right side
    70,464.29x = 3,757,558,283.99
  5. Step 5: Solve for x
    x = 3,757,558,283.99/70,464.29
  6. Step 6: Final answer
    x = 53,325.71

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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.