Home / 70,002.08-105,028.17-30,004.28

Finding the Fourth Proportional to 70,002.08, 105,028.17 and 30,004.28

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Solution

The fourth proportional to 70,002.08, 105,028.17 and 30,004.28 is: 45,017.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,002.08 : 105,028.17 = 30,004.28 : x
  2. Step 2: Convert to fraction form
    70,002.08/105,028.17 = 30,004.28/x
  3. Step 3: Cross multiply
    70,002.08x = 105,028.17 × 30,004.28
  4. Step 4: Simplify right side
    70,002.08x = 3,151,294,620.57
  5. Step 5: Solve for x
    x = 3,151,294,620.57/70,002.08
  6. Step 6: Final answer
    x = 45,017.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.