Home / 35,715.23-49,289.06-21,572.63

Finding the Fourth Proportional to 35,715.23, 49,289.06 and 21,572.63

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Solution

The fourth proportional to 35,715.23, 49,289.06 and 21,572.63 is: 29,771.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,715.23 : 49,289.06 = 21,572.63 : x
  2. Step 2: Convert to fraction form
    35,715.23/49,289.06 = 21,572.63/x
  3. Step 3: Cross multiply
    35,715.23x = 49,289.06 × 21,572.63
  4. Step 4: Simplify right side
    35,715.23x = 1,063,294,525.40
  5. Step 5: Solve for x
    x = 1,063,294,525.40/35,715.23
  6. Step 6: Final answer
    x = 29,771.46

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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.