Home / 39,380.77-59,077.10-14,078.40

Finding the Fourth Proportional to 39,380.77, 59,077.10 and 14,078.40

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Solution

The fourth proportional to 39,380.77, 59,077.10 and 14,078.40 is: 21,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,380.77 : 59,077.10 = 14,078.40 : x
  2. Step 2: Convert to fraction form
    39,380.77/59,077.10 = 14,078.40/x
  3. Step 3: Cross multiply
    39,380.77x = 59,077.10 × 14,078.40
  4. Step 4: Simplify right side
    39,380.77x = 831,711,044.64
  5. Step 5: Solve for x
    x = 831,711,044.64/39,380.77
  6. Step 6: Final answer
    x = 21,119.73

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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.