Home / 53,975.23-80,962.84-18,914.88

Finding the Fourth Proportional to 53,975.23, 80,962.84 and 18,914.88

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Solution

The fourth proportional to 53,975.23, 80,962.84 and 18,914.88 is: 28,372.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,975.23 : 80,962.84 = 18,914.88 : x
  2. Step 2: Convert to fraction form
    53,975.23/80,962.84 = 18,914.88/x
  3. Step 3: Cross multiply
    53,975.23x = 80,962.84 × 18,914.88
  4. Step 4: Simplify right side
    53,975.23x = 1,531,402,355.77
  5. Step 5: Solve for x
    x = 1,531,402,355.77/53,975.23
  6. Step 6: Final answer
    x = 28,372.32

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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.