Home / 38,985,103.44-53,800,079.74-21,343,711.68

Finding the Fourth Proportional to 38,985,103.44, 53,800,079.74 and 21,343,711.68

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Solution

The fourth proportional to 38,985,103.44, 53,800,079.74 and 21,343,711.68 is: 29,454,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,985,103.44 : 53,800,079.74 = 21,343,711.68 : x
  2. Step 2: Convert to fraction form
    38,985,103.44/53,800,079.74 = 21,343,711.68/x
  3. Step 3: Cross multiply
    38,985,103.44x = 53,800,079.74 × 21,343,711.68
  4. Step 4: Simplify right side
    38,985,103.44x = 1,148,293,390,331,569.50
  5. Step 5: Solve for x
    x = 1,148,293,390,331,569.50/38,985,103.44
  6. Step 6: Final answer
    x = 29,454,670.86

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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.