Home / 53,970.21-80,962.10-28,975.91

Finding the Fourth Proportional to 53,970.21, 80,962.10 and 28,975.91

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Solution

The fourth proportional to 53,970.21, 80,962.10 and 28,975.91 is: 43,467.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,970.21 : 80,962.10 = 28,975.91 : x
  2. Step 2: Convert to fraction form
    53,970.21/80,962.10 = 28,975.91/x
  3. Step 3: Cross multiply
    53,970.21x = 80,962.10 × 28,975.91
  4. Step 4: Simplify right side
    53,970.21x = 2,345,949,973.32
  5. Step 5: Solve for x
    x = 2,345,949,973.32/53,970.21
  6. Step 6: Final answer
    x = 43,467.50

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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.