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Finding the Fourth Proportional to 59,870.44, 89,806.38 and 28,698.76

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Solution

The fourth proportional to 59,870.44, 89,806.38 and 28,698.76 is: 43,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,870.44 : 89,806.38 = 28,698.76 : x
  2. Step 2: Convert to fraction form
    59,870.44/89,806.38 = 28,698.76/x
  3. Step 3: Cross multiply
    59,870.44x = 89,806.38 × 28,698.76
  4. Step 4: Simplify right side
    59,870.44x = 2,577,331,746.09
  5. Step 5: Solve for x
    x = 2,577,331,746.09/59,870.44
  6. Step 6: Final answer
    x = 43,048.49

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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.