Home / 35,420.74-48,875.42-20,314.04

Finding the Fourth Proportional to 35,420.74, 48,875.42 and 20,314.04

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Solution

The fourth proportional to 35,420.74, 48,875.42 and 20,314.04 is: 28,030.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.74 : 48,875.42 = 20,314.04 : x
  2. Step 2: Convert to fraction form
    35,420.74/48,875.42 = 20,314.04/x
  3. Step 3: Cross multiply
    35,420.74x = 48,875.42 × 20,314.04
  4. Step 4: Simplify right side
    35,420.74x = 992,857,043.30
  5. Step 5: Solve for x
    x = 992,857,043.30/35,420.74
  6. Step 6: Final answer
    x = 28,030.39

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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.