Home / 38,741.60-58,117.62-12,454.40

Finding the Fourth Proportional to 38,741.60, 58,117.62 and 12,454.40

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Solution

The fourth proportional to 38,741.60, 58,117.62 and 12,454.40 is: 18,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,741.60 : 58,117.62 = 12,454.40 : x
  2. Step 2: Convert to fraction form
    38,741.60/58,117.62 = 12,454.40/x
  3. Step 3: Cross multiply
    38,741.60x = 58,117.62 × 12,454.40
  4. Step 4: Simplify right side
    38,741.60x = 723,820,086.53
  5. Step 5: Solve for x
    x = 723,820,086.53/38,741.60
  6. Step 6: Final answer
    x = 18,683.28

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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.