Home / 35,681.95-53,548.91-28,745.73

Finding the Fourth Proportional to 35,681.95, 53,548.91 and 28,745.73

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Solution

The fourth proportional to 35,681.95, 53,548.91 and 28,745.73 is: 43,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681.95 : 53,548.91 = 28,745.73 : x
  2. Step 2: Convert to fraction form
    35,681.95/53,548.91 = 28,745.73/x
  3. Step 3: Cross multiply
    35,681.95x = 53,548.91 × 28,745.73
  4. Step 4: Simplify right side
    35,681.95x = 1,539,302,508.65
  5. Step 5: Solve for x
    x = 1,539,302,508.65/35,681.95
  6. Step 6: Final answer
    x = 43,139.53

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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.