Home / 39,770.60-59,667.03-13,477.32

Finding the Fourth Proportional to 39,770.60, 59,667.03 and 13,477.32

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Solution

The fourth proportional to 39,770.60, 59,667.03 and 13,477.32 is: 20,219.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,770.60 : 59,667.03 = 13,477.32 : x
  2. Step 2: Convert to fraction form
    39,770.60/59,667.03 = 13,477.32/x
  3. Step 3: Cross multiply
    39,770.60x = 59,667.03 × 13,477.32
  4. Step 4: Simplify right side
    39,770.60x = 804,151,656.76
  5. Step 5: Solve for x
    x = 804,151,656.76/39,770.60
  6. Step 6: Final answer
    x = 20,219.75

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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.