Home / 35,730.55-53,603.92-12,357.19

Finding the Fourth Proportional to 35,730.55, 53,603.92 and 12,357.19

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Solution

The fourth proportional to 35,730.55, 53,603.92 and 12,357.19 is: 18,538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,730.55 : 53,603.92 = 12,357.19 : x
  2. Step 2: Convert to fraction form
    35,730.55/53,603.92 = 12,357.19/x
  3. Step 3: Cross multiply
    35,730.55x = 53,603.92 × 12,357.19
  4. Step 4: Simplify right side
    35,730.55x = 662,393,556.17
  5. Step 5: Solve for x
    x = 662,393,556.17/35,730.55
  6. Step 6: Final answer
    x = 18,538.58

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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.