Home / 32,830.74-45,290.61-21,495.24

Finding the Fourth Proportional to 32,830.74, 45,290.61 and 21,495.24

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Solution

The fourth proportional to 32,830.74, 45,290.61 and 21,495.24 is: 29,653.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,830.74 : 45,290.61 = 21,495.24 : x
  2. Step 2: Convert to fraction form
    32,830.74/45,290.61 = 21,495.24/x
  3. Step 3: Cross multiply
    32,830.74x = 45,290.61 × 21,495.24
  4. Step 4: Simplify right side
    32,830.74x = 973,532,531.70
  5. Step 5: Solve for x
    x = 973,532,531.70/32,830.74
  6. Step 6: Final answer
    x = 29,653.08

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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.