Home / 46,570.31-69,856.11-13,290.37

Finding the Fourth Proportional to 46,570.31, 69,856.11 and 13,290.37

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Solution

The fourth proportional to 46,570.31, 69,856.11 and 13,290.37 is: 19,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,570.31 : 69,856.11 = 13,290.37 : x
  2. Step 2: Convert to fraction form
    46,570.31/69,856.11 = 13,290.37/x
  3. Step 3: Cross multiply
    46,570.31x = 69,856.11 × 13,290.37
  4. Step 4: Simplify right side
    46,570.31x = 928,413,548.66
  5. Step 5: Solve for x
    x = 928,413,548.66/46,570.31
  6. Step 6: Final answer
    x = 19,935.74

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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.