Home / 33,312.44-45,973.78-18,972.87

Finding the Fourth Proportional to 33,312.44, 45,973.78 and 18,972.87

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Solution

The fourth proportional to 33,312.44, 45,973.78 and 18,972.87 is: 26,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,312.44 : 45,973.78 = 18,972.87 : x
  2. Step 2: Convert to fraction form
    33,312.44/45,973.78 = 18,972.87/x
  3. Step 3: Cross multiply
    33,312.44x = 45,973.78 × 18,972.87
  4. Step 4: Simplify right side
    33,312.44x = 872,254,551.35
  5. Step 5: Solve for x
    x = 872,254,551.35/33,312.44
  6. Step 6: Final answer
    x = 26,184.05

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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.