Home / 39,447.57-59,171.88-13,152.32

Finding the Fourth Proportional to 39,447.57, 59,171.88 and 13,152.32

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Solution

The fourth proportional to 39,447.57, 59,171.88 and 13,152.32 is: 19,728.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,447.57 : 59,171.88 = 13,152.32 : x
  2. Step 2: Convert to fraction form
    39,447.57/59,171.88 = 13,152.32/x
  3. Step 3: Cross multiply
    39,447.57x = 59,171.88 × 13,152.32
  4. Step 4: Simplify right side
    39,447.57x = 778,247,648.69
  5. Step 5: Solve for x
    x = 778,247,648.69/39,447.57
  6. Step 6: Final answer
    x = 19,728.66

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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.