Home / 30,213.54-45,098.40-26,666.52

Finding the Fourth Proportional to 30,213.54, 45,098.40 and 26,666.52

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Solution

The fourth proportional to 30,213.54, 45,098.40 and 26,666.52 is: 39,803.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213.54 : 45,098.40 = 26,666.52 : x
  2. Step 2: Convert to fraction form
    30,213.54/45,098.40 = 26,666.52/x
  3. Step 3: Cross multiply
    30,213.54x = 45,098.40 × 26,666.52
  4. Step 4: Simplify right side
    30,213.54x = 1,202,617,385.57
  5. Step 5: Solve for x
    x = 1,202,617,385.57/30,213.54
  6. Step 6: Final answer
    x = 39,803.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.