Home / 47,230.65-70,862.37-20,953.84

Finding the Fourth Proportional to 47,230.65, 70,862.37 and 20,953.84

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Solution

The fourth proportional to 47,230.65, 70,862.37 and 20,953.84 is: 31,438.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,230.65 : 70,862.37 = 20,953.84 : x
  2. Step 2: Convert to fraction form
    47,230.65/70,862.37 = 20,953.84/x
  3. Step 3: Cross multiply
    47,230.65x = 70,862.37 × 20,953.84
  4. Step 4: Simplify right side
    47,230.65x = 1,484,838,763.00
  5. Step 5: Solve for x
    x = 1,484,838,763.00/47,230.65
  6. Step 6: Final answer
    x = 31,438.03

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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.