Home / 39,605.32-59,410.86-13,299.40

Finding the Fourth Proportional to 39,605.32, 59,410.86 and 13,299.40

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Solution

The fourth proportional to 39,605.32, 59,410.86 and 13,299.40 is: 19,950.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,605.32 : 59,410.86 = 13,299.40 : x
  2. Step 2: Convert to fraction form
    39,605.32/59,410.86 = 13,299.40/x
  3. Step 3: Cross multiply
    39,605.32x = 59,410.86 × 13,299.40
  4. Step 4: Simplify right side
    39,605.32x = 790,128,791.48
  5. Step 5: Solve for x
    x = 790,128,791.48/39,605.32
  6. Step 6: Final answer
    x = 19,950.07

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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.