Home / 37,807.20-52,166.88-21,890.40

Finding the Fourth Proportional to 37,807.20, 52,166.88 and 21,890.40

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Solution

The fourth proportional to 37,807.20, 52,166.88 and 21,890.40 is: 30,204.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,807.20 : 52,166.88 = 21,890.40 : x
  2. Step 2: Convert to fraction form
    37,807.20/52,166.88 = 21,890.40/x
  3. Step 3: Cross multiply
    37,807.20x = 52,166.88 × 21,890.40
  4. Step 4: Simplify right side
    37,807.20x = 1,141,953,869.95
  5. Step 5: Solve for x
    x = 1,141,953,869.95/37,807.20
  6. Step 6: Final answer
    x = 30,204.67

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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.