Home / 40,159.84-55,420.95-22,255.06

Finding the Fourth Proportional to 40,159.84, 55,420.95 and 22,255.06

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Solution

The fourth proportional to 40,159.84, 55,420.95 and 22,255.06 is: 30,712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159.84 : 55,420.95 = 22,255.06 : x
  2. Step 2: Convert to fraction form
    40,159.84/55,420.95 = 22,255.06/x
  3. Step 3: Cross multiply
    40,159.84x = 55,420.95 × 22,255.06
  4. Step 4: Simplify right side
    40,159.84x = 1,233,396,567.51
  5. Step 5: Solve for x
    x = 1,233,396,567.51/40,159.84
  6. Step 6: Final answer
    x = 30,712.19

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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.