Home / 60,203.67-90,309.35-20,221.03

Finding the Fourth Proportional to 60,203.67, 90,309.35 and 20,221.03

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Solution

The fourth proportional to 60,203.67, 90,309.35 and 20,221.03 is: 30,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,203.67 : 90,309.35 = 20,221.03 : x
  2. Step 2: Convert to fraction form
    60,203.67/90,309.35 = 20,221.03/x
  3. Step 3: Cross multiply
    60,203.67x = 90,309.35 × 20,221.03
  4. Step 4: Simplify right side
    60,203.67x = 1,826,148,075.63
  5. Step 5: Solve for x
    x = 1,826,148,075.63/60,203.67
  6. Step 6: Final answer
    x = 30,332.84

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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.