Home / 74,023.34-111,042.09-20,715.35

Finding the Fourth Proportional to 74,023.34, 111,042.09 and 20,715.35

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Solution

The fourth proportional to 74,023.34, 111,042.09 and 20,715.35 is: 31,075.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,023.34 : 111,042.09 = 20,715.35 : x
  2. Step 2: Convert to fraction form
    74,023.34/111,042.09 = 20,715.35/x
  3. Step 3: Cross multiply
    74,023.34x = 111,042.09 × 20,715.35
  4. Step 4: Simplify right side
    74,023.34x = 2,300,275,203.87
  5. Step 5: Solve for x
    x = 2,300,275,203.87/74,023.34
  6. Step 6: Final answer
    x = 31,075.00

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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.