Home / 33,490.81-46,220.15-18,386.03

Finding the Fourth Proportional to 33,490.81, 46,220.15 and 18,386.03

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Solution

The fourth proportional to 33,490.81, 46,220.15 and 18,386.03 is: 25,374.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,490.81 : 46,220.15 = 18,386.03 : x
  2. Step 2: Convert to fraction form
    33,490.81/46,220.15 = 18,386.03/x
  3. Step 3: Cross multiply
    33,490.81x = 46,220.15 × 18,386.03
  4. Step 4: Simplify right side
    33,490.81x = 849,805,064.50
  5. Step 5: Solve for x
    x = 849,805,064.50/33,490.81
  6. Step 6: Final answer
    x = 25,374.28

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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.