Home / 32,698.05-45,111.70-21,374.08

Finding the Fourth Proportional to 32,698.05, 45,111.70 and 21,374.08

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Solution

The fourth proportional to 32,698.05, 45,111.70 and 21,374.08 is: 29,488.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,698.05 : 45,111.70 = 21,374.08 : x
  2. Step 2: Convert to fraction form
    32,698.05/45,111.70 = 21,374.08/x
  3. Step 3: Cross multiply
    32,698.05x = 45,111.70 × 21,374.08
  4. Step 4: Simplify right side
    32,698.05x = 964,221,084.74
  5. Step 5: Solve for x
    x = 964,221,084.74/32,698.05
  6. Step 6: Final answer
    x = 29,488.64

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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.