Home / 39,140,749.24-54,012,752.40-21,738,214.96

Finding the Fourth Proportional to 39,140,749.24, 54,012,752.40 and 21,738,214.96

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Solution

The fourth proportional to 39,140,749.24, 54,012,752.40 and 21,738,214.96 is: 29,997,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,140,749.24 : 54,012,752.40 = 21,738,214.96 : x
  2. Step 2: Convert to fraction form
    39,140,749.24/54,012,752.40 = 21,738,214.96/x
  3. Step 3: Cross multiply
    39,140,749.24x = 54,012,752.40 × 21,738,214.96
  4. Step 4: Simplify right side
    39,140,749.24x = 1,174,140,822,252,456
  5. Step 5: Solve for x
    x = 1,174,140,822,252,456/39,140,749.24
  6. Step 6: Final answer
    x = 29,997,913.81

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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.