Home / 30,305.80-41,802.48-19,564.36

Finding the Fourth Proportional to 30,305.80, 41,802.48 and 19,564.36

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Solution

The fourth proportional to 30,305.80, 41,802.48 and 19,564.36 is: 26,986.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.80 : 41,802.48 = 19,564.36 : x
  2. Step 2: Convert to fraction form
    30,305.80/41,802.48 = 19,564.36/x
  3. Step 3: Cross multiply
    30,305.80x = 41,802.48 × 19,564.36
  4. Step 4: Simplify right side
    30,305.80x = 817,838,767.61
  5. Step 5: Solve for x
    x = 817,838,767.61/30,305.80
  6. Step 6: Final answer
    x = 26,986.21

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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.