Home / 32,987.24-45,522.80-19,374.40

Finding the Fourth Proportional to 32,987.24, 45,522.80 and 19,374.40

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Solution

The fourth proportional to 32,987.24, 45,522.80 and 19,374.40 is: 26,736.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,987.24 : 45,522.80 = 19,374.40 : x
  2. Step 2: Convert to fraction form
    32,987.24/45,522.80 = 19,374.40/x
  3. Step 3: Cross multiply
    32,987.24x = 45,522.80 × 19,374.40
  4. Step 4: Simplify right side
    32,987.24x = 881,976,936.32
  5. Step 5: Solve for x
    x = 881,976,936.32/32,987.24
  6. Step 6: Final answer
    x = 26,736.91

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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.