Home / 70,315.38-97,035.28-38,485.08

Finding the Fourth Proportional to 70,315.38, 97,035.28 and 38,485.08

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Solution

The fourth proportional to 70,315.38, 97,035.28 and 38,485.08 is: 53,109.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,315.38 : 97,035.28 = 38,485.08 : x
  2. Step 2: Convert to fraction form
    70,315.38/97,035.28 = 38,485.08/x
  3. Step 3: Cross multiply
    70,315.38x = 97,035.28 × 38,485.08
  4. Step 4: Simplify right side
    70,315.38x = 3,734,410,513.62
  5. Step 5: Solve for x
    x = 3,734,410,513.62/70,315.38
  6. Step 6: Final answer
    x = 53,109.44

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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.