Home / 34,060.95-47,005.47-20,624.63

Finding the Fourth Proportional to 34,060.95, 47,005.47 and 20,624.63

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Solution

The fourth proportional to 34,060.95, 47,005.47 and 20,624.63 is: 28,462.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,060.95 : 47,005.47 = 20,624.63 : x
  2. Step 2: Convert to fraction form
    34,060.95/47,005.47 = 20,624.63/x
  3. Step 3: Cross multiply
    34,060.95x = 47,005.47 × 20,624.63
  4. Step 4: Simplify right side
    34,060.95x = 969,470,191.70
  5. Step 5: Solve for x
    x = 969,470,191.70/34,060.95
  6. Step 6: Final answer
    x = 28,462.81

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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.