Home / 34,700.16-47,885.94-20,559.72

Finding the Fourth Proportional to 34,700.16, 47,885.94 and 20,559.72

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Solution

The fourth proportional to 34,700.16, 47,885.94 and 20,559.72 is: 28,372.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,700.16 : 47,885.94 = 20,559.72 : x
  2. Step 2: Convert to fraction form
    34,700.16/47,885.94 = 20,559.72/x
  3. Step 3: Cross multiply
    34,700.16x = 47,885.94 × 20,559.72
  4. Step 4: Simplify right side
    34,700.16x = 984,521,518.34
  5. Step 5: Solve for x
    x = 984,521,518.34/34,700.16
  6. Step 6: Final answer
    x = 28,372.25

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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.