Home / 50,983.74-70,368.80-28,330.50

Finding the Fourth Proportional to 50,983.74, 70,368.80 and 28,330.50

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Solution

The fourth proportional to 50,983.74, 70,368.80 and 28,330.50 is: 39,102.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,983.74 : 70,368.80 = 28,330.50 : x
  2. Step 2: Convert to fraction form
    50,983.74/70,368.80 = 28,330.50/x
  3. Step 3: Cross multiply
    50,983.74x = 70,368.80 × 28,330.50
  4. Step 4: Simplify right side
    50,983.74x = 1,993,583,288.40
  5. Step 5: Solve for x
    x = 1,993,583,288.40/50,983.74
  6. Step 6: Final answer
    x = 39,102.34

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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.