Home / 47,693.59-65,803.66-30,707.67

Finding the Fourth Proportional to 47,693.59, 65,803.66 and 30,707.67

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Solution

The fourth proportional to 47,693.59, 65,803.66 and 30,707.67 is: 42,367.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,693.59 : 65,803.66 = 30,707.67 : x
  2. Step 2: Convert to fraction form
    47,693.59/65,803.66 = 30,707.67/x
  3. Step 3: Cross multiply
    47,693.59x = 65,803.66 × 30,707.67
  4. Step 4: Simplify right side
    47,693.59x = 2,020,676,752.54
  5. Step 5: Solve for x
    x = 2,020,676,752.54/47,693.59
  6. Step 6: Final answer
    x = 42,367.89

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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.