Home / 47,000.23-70,483.92-18,912.99

Finding the Fourth Proportional to 47,000.23, 70,483.92 and 18,912.99

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Solution

The fourth proportional to 47,000.23, 70,483.92 and 18,912.99 is: 28,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,000.23 : 70,483.92 = 18,912.99 : x
  2. Step 2: Convert to fraction form
    47,000.23/70,483.92 = 18,912.99/x
  3. Step 3: Cross multiply
    47,000.23x = 70,483.92 × 18,912.99
  4. Step 4: Simplify right side
    47,000.23x = 1,333,061,867.51
  5. Step 5: Solve for x
    x = 1,333,061,867.51/47,000.23
  6. Step 6: Final answer
    x = 28,362.88

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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.