Home / 39,616.20-59,430.06-13,314.60

Finding the Fourth Proportional to 39,616.20, 59,430.06 and 13,314.60

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Solution

The fourth proportional to 39,616.20, 59,430.06 and 13,314.60 is: 19,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,616.20 : 59,430.06 = 13,314.60 : x
  2. Step 2: Convert to fraction form
    39,616.20/59,430.06 = 13,314.60/x
  3. Step 3: Cross multiply
    39,616.20x = 59,430.06 × 13,314.60
  4. Step 4: Simplify right side
    39,616.20x = 791,287,476.88
  5. Step 5: Solve for x
    x = 791,287,476.88/39,616.20
  6. Step 6: Final answer
    x = 19,973.84

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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.