Home / 35,730.42-53,603.73-12,357.06

Finding the Fourth Proportional to 35,730.42, 53,603.73 and 12,357.06

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Solution

The fourth proportional to 35,730.42, 53,603.73 and 12,357.06 is: 18,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,730.42 : 53,603.73 = 12,357.06 : x
  2. Step 2: Convert to fraction form
    35,730.42/53,603.73 = 12,357.06/x
  3. Step 3: Cross multiply
    35,730.42x = 53,603.73 × 12,357.06
  4. Step 4: Simplify right side
    35,730.42x = 662,384,507.83
  5. Step 5: Solve for x
    x = 662,384,507.83/35,730.42
  6. Step 6: Final answer
    x = 18,538.39

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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.