Home / 34,153.99-47,124.47-20,724.93

Finding the Fourth Proportional to 34,153.99, 47,124.47 and 20,724.93

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Solution

The fourth proportional to 34,153.99, 47,124.47 and 20,724.93 is: 28,595.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,153.99 : 47,124.47 = 20,724.93 : x
  2. Step 2: Convert to fraction form
    34,153.99/47,124.47 = 20,724.93/x
  3. Step 3: Cross multiply
    34,153.99x = 47,124.47 × 20,724.93
  4. Step 4: Simplify right side
    34,153.99x = 976,651,393.85
  5. Step 5: Solve for x
    x = 976,651,393.85/34,153.99
  6. Step 6: Final answer
    x = 28,595.53

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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.