Home / 39,447.60-59,171.70-13,152.30

Finding the Fourth Proportional to 39,447.60, 59,171.70 and 13,152.30

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Solution

The fourth proportional to 39,447.60, 59,171.70 and 13,152.30 is: 19,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,447.60 : 59,171.70 = 13,152.30 : x
  2. Step 2: Convert to fraction form
    39,447.60/59,171.70 = 13,152.30/x
  3. Step 3: Cross multiply
    39,447.60x = 59,171.70 × 13,152.30
  4. Step 4: Simplify right side
    39,447.60x = 778,243,949.91
  5. Step 5: Solve for x
    x = 778,243,949.91/39,447.60
  6. Step 6: Final answer
    x = 19,728.55

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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.