Home / 28,079.18-42,110.53-23,136.56

Finding the Fourth Proportional to 28,079.18, 42,110.53 and 23,136.56

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Solution

The fourth proportional to 28,079.18, 42,110.53 and 23,136.56 is: 34,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.18 : 42,110.53 = 23,136.56 : x
  2. Step 2: Convert to fraction form
    28,079.18/42,110.53 = 23,136.56/x
  3. Step 3: Cross multiply
    28,079.18x = 42,110.53 × 23,136.56
  4. Step 4: Simplify right side
    28,079.18x = 974,292,803.98
  5. Step 5: Solve for x
    x = 974,292,803.98/28,079.18
  6. Step 6: Final answer
    x = 34,698.05

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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.