Home / 33,428.37-46,130.16-18,320.70

Finding the Fourth Proportional to 33,428.37, 46,130.16 and 18,320.70

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Solution

The fourth proportional to 33,428.37, 46,130.16 and 18,320.70 is: 25,282.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,428.37 : 46,130.16 = 18,320.70 : x
  2. Step 2: Convert to fraction form
    33,428.37/46,130.16 = 18,320.70/x
  3. Step 3: Cross multiply
    33,428.37x = 46,130.16 × 18,320.70
  4. Step 4: Simplify right side
    33,428.37x = 845,136,822.31
  5. Step 5: Solve for x
    x = 845,136,822.31/33,428.37
  6. Step 6: Final answer
    x = 25,282.02

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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.