Home / 47,069.26-70,582.36-28,102.50

Finding the Fourth Proportional to 47,069.26, 70,582.36 and 28,102.50

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Solution

The fourth proportional to 47,069.26, 70,582.36 and 28,102.50 is: 42,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,069.26 : 70,582.36 = 28,102.50 : x
  2. Step 2: Convert to fraction form
    47,069.26/70,582.36 = 28,102.50/x
  3. Step 3: Cross multiply
    47,069.26x = 70,582.36 × 28,102.50
  4. Step 4: Simplify right side
    47,069.26x = 1,983,541,031.89
  5. Step 5: Solve for x
    x = 1,983,541,031.89/47,069.26
  6. Step 6: Final answer
    x = 42,140.90

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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.