Home / 48,029.40-72,005.70-20,304.60

Finding the Fourth Proportional to 48,029.40, 72,005.70 and 20,304.60

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Solution

The fourth proportional to 48,029.40, 72,005.70 and 20,304.60 is: 30,440.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,029.40 : 72,005.70 = 20,304.60 : x
  2. Step 2: Convert to fraction form
    48,029.40/72,005.70 = 20,304.60/x
  3. Step 3: Cross multiply
    48,029.40x = 72,005.70 × 20,304.60
  4. Step 4: Simplify right side
    48,029.40x = 1,462,046,936.22
  5. Step 5: Solve for x
    x = 1,462,046,936.22/48,029.40
  6. Step 6: Final answer
    x = 30,440.67

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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.