Home / 29,325.93-43,988.46-7,139.35

Finding the Fourth Proportional to 29,325.93, 43,988.46 and 7,139.35

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Solution

The fourth proportional to 29,325.93, 43,988.46 and 7,139.35 is: 10,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,325.93 : 43,988.46 = 7,139.35 : x
  2. Step 2: Convert to fraction form
    29,325.93/43,988.46 = 7,139.35/x
  3. Step 3: Cross multiply
    29,325.93x = 43,988.46 × 7,139.35
  4. Step 4: Simplify right side
    29,325.93x = 314,049,011.90
  5. Step 5: Solve for x
    x = 314,049,011.90/29,325.93
  6. Step 6: Final answer
    x = 10,708.92

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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.