Home / 39,017,539.44-53,843,498.88-21,613,830.72

Finding the Fourth Proportional to 39,017,539.44, 53,843,498.88 and 21,613,830.72

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Solution

The fourth proportional to 39,017,539.44, 53,843,498.88 and 21,613,830.72 is: 29,826,695.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,017,539.44 : 53,843,498.88 = 21,613,830.72 : x
  2. Step 2: Convert to fraction form
    39,017,539.44/53,843,498.88 = 21,613,830.72/x
  3. Step 3: Cross multiply
    39,017,539.44x = 53,843,498.88 × 21,613,830.72
  4. Step 4: Simplify right side
    39,017,539.44x = 1,163,764,270,164,829.50
  5. Step 5: Solve for x
    x = 1,163,764,270,164,829.50/39,017,539.44
  6. Step 6: Final answer
    x = 29,826,695.55

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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.