Home / 53,149.45-73,349.39-30,488.28

Finding the Fourth Proportional to 53,149.45, 73,349.39 and 30,488.28

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Solution

The fourth proportional to 53,149.45, 73,349.39 and 30,488.28 is: 42,075.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,149.45 : 73,349.39 = 30,488.28 : x
  2. Step 2: Convert to fraction form
    53,149.45/73,349.39 = 30,488.28/x
  3. Step 3: Cross multiply
    53,149.45x = 73,349.39 × 30,488.28
  4. Step 4: Simplify right side
    53,149.45x = 2,236,296,816.37
  5. Step 5: Solve for x
    x = 2,236,296,816.37/53,149.45
  6. Step 6: Final answer
    x = 42,075.64

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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.