Home / 38,219,369.50-52,742,729.91-21,049,961.50

Finding the Fourth Proportional to 38,219,369.50, 52,742,729.91 and 21,049,961.50

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Solution

The fourth proportional to 38,219,369.50, 52,742,729.91 and 21,049,961.50 is: 29,048,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,219,369.50 : 52,742,729.91 = 21,049,961.50 : x
  2. Step 2: Convert to fraction form
    38,219,369.50/52,742,729.91 = 21,049,961.50/x
  3. Step 3: Cross multiply
    38,219,369.50x = 52,742,729.91 × 21,049,961.50
  4. Step 4: Simplify right side
    38,219,369.50x = 1,110,232,434,010,398.38
  5. Step 5: Solve for x
    x = 1,110,232,434,010,398.38/38,219,369.50
  6. Step 6: Final answer
    x = 29,048,946.87

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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.