Home / 33,315.04-45,973.20-19,895.20

Finding the Fourth Proportional to 33,315.04, 45,973.20 and 19,895.20

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Solution

The fourth proportional to 33,315.04, 45,973.20 and 19,895.20 is: 27,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,315.04 : 45,973.20 = 19,895.20 : x
  2. Step 2: Convert to fraction form
    33,315.04/45,973.20 = 19,895.20/x
  3. Step 3: Cross multiply
    33,315.04x = 45,973.20 × 19,895.20
  4. Step 4: Simplify right side
    33,315.04x = 914,646,008.64
  5. Step 5: Solve for x
    x = 914,646,008.64/33,315.04
  6. Step 6: Final answer
    x = 27,454.45

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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.