Home / 39,337.60-59,003.70-12,683.20

Finding the Fourth Proportional to 39,337.60, 59,003.70 and 12,683.20

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Solution

The fourth proportional to 39,337.60, 59,003.70 and 12,683.20 is: 19,023.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,337.60 : 59,003.70 = 12,683.20 : x
  2. Step 2: Convert to fraction form
    39,337.60/59,003.70 = 12,683.20/x
  3. Step 3: Cross multiply
    39,337.60x = 59,003.70 × 12,683.20
  4. Step 4: Simplify right side
    39,337.60x = 748,355,727.84
  5. Step 5: Solve for x
    x = 748,355,727.84/39,337.60
  6. Step 6: Final answer
    x = 19,023.93

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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.