Home / 39,657.72-59,473.62-13,355.40

Finding the Fourth Proportional to 39,657.72, 59,473.62 and 13,355.40

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Solution

The fourth proportional to 39,657.72, 59,473.62 and 13,355.40 is: 20,028.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,657.72 : 59,473.62 = 13,355.40 : x
  2. Step 2: Convert to fraction form
    39,657.72/59,473.62 = 13,355.40/x
  3. Step 3: Cross multiply
    39,657.72x = 59,473.62 × 13,355.40
  4. Step 4: Simplify right side
    39,657.72x = 794,293,984.55
  5. Step 5: Solve for x
    x = 794,293,984.55/39,657.72
  6. Step 6: Final answer
    x = 20,028.74

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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.