Home / 35,021.22-52,642.55-30,149.67

Finding the Fourth Proportional to 35,021.22, 52,642.55 and 30,149.67

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Solution

The fourth proportional to 35,021.22, 52,642.55 and 30,149.67 is: 45,319.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,021.22 : 52,642.55 = 30,149.67 : x
  2. Step 2: Convert to fraction form
    35,021.22/52,642.55 = 30,149.67/x
  3. Step 3: Cross multiply
    35,021.22x = 52,642.55 × 30,149.67
  4. Step 4: Simplify right side
    35,021.22x = 1,587,155,510.46
  5. Step 5: Solve for x
    x = 1,587,155,510.46/35,021.22
  6. Step 6: Final answer
    x = 45,319.82

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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.