Home / 31,504,053.20-47,256,079.80-26,801,128.40

Finding the Fourth Proportional to 31,504,053.20, 47,256,079.80 and 26,801,128.40

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Solution

The fourth proportional to 31,504,053.20, 47,256,079.80 and 26,801,128.40 is: 40,201,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,053.20 : 47,256,079.80 = 26,801,128.40 : x
  2. Step 2: Convert to fraction form
    31,504,053.20/47,256,079.80 = 26,801,128.40/x
  3. Step 3: Cross multiply
    31,504,053.20x = 47,256,079.80 × 26,801,128.40
  4. Step 4: Simplify right side
    31,504,053.20x = 1,266,516,262,400,446.25
  5. Step 5: Solve for x
    x = 1,266,516,262,400,446.25/31,504,053.20
  6. Step 6: Final answer
    x = 40,201,692.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.