Home / 46,407.12-69,610.68-28,055.76

Finding the Fourth Proportional to 46,407.12, 69,610.68 and 28,055.76

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Solution

The fourth proportional to 46,407.12, 69,610.68 and 28,055.76 is: 42,083.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,407.12 : 69,610.68 = 28,055.76 : x
  2. Step 2: Convert to fraction form
    46,407.12/69,610.68 = 28,055.76/x
  3. Step 3: Cross multiply
    46,407.12x = 69,610.68 × 28,055.76
  4. Step 4: Simplify right side
    46,407.12x = 1,952,980,531.52
  5. Step 5: Solve for x
    x = 1,952,980,531.52/46,407.12
  6. Step 6: Final answer
    x = 42,083.64

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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.