Home / 53,161.45-73,362.87-28,962.29

Finding the Fourth Proportional to 53,161.45, 73,362.87 and 28,962.29

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Solution

The fourth proportional to 53,161.45, 73,362.87 and 28,962.29 is: 39,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,161.45 : 73,362.87 = 28,962.29 : x
  2. Step 2: Convert to fraction form
    53,161.45/73,362.87 = 28,962.29/x
  3. Step 3: Cross multiply
    53,161.45x = 73,362.87 × 28,962.29
  4. Step 4: Simplify right side
    53,161.45x = 2,124,757,037.13
  5. Step 5: Solve for x
    x = 2,124,757,037.13/53,161.45
  6. Step 6: Final answer
    x = 39,968.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.