Home / 38,206.18-52,724.73-21,210.67

Finding the Fourth Proportional to 38,206.18, 52,724.73 and 21,210.67

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Solution

The fourth proportional to 38,206.18, 52,724.73 and 21,210.67 is: 29,270.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,206.18 : 52,724.73 = 21,210.67 : x
  2. Step 2: Convert to fraction form
    38,206.18/52,724.73 = 21,210.67/x
  3. Step 3: Cross multiply
    38,206.18x = 52,724.73 × 21,210.67
  4. Step 4: Simplify right side
    38,206.18x = 1,118,326,848.87
  5. Step 5: Solve for x
    x = 1,118,326,848.87/38,206.18
  6. Step 6: Final answer
    x = 29,270.84

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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.