Home / 47,222.40-65,151.36-30,466.56

Finding the Fourth Proportional to 47,222.40, 65,151.36 and 30,466.56

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Solution

The fourth proportional to 47,222.40, 65,151.36 and 30,466.56 is: 42,033.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,222.40 : 65,151.36 = 30,466.56 : x
  2. Step 2: Convert to fraction form
    47,222.40/65,151.36 = 30,466.56/x
  3. Step 3: Cross multiply
    47,222.40x = 65,151.36 × 30,466.56
  4. Step 4: Simplify right side
    47,222.40x = 1,984,937,818.52
  5. Step 5: Solve for x
    x = 1,984,937,818.52/47,222.40
  6. Step 6: Final answer
    x = 42,033.82

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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.