Home / 39,817.20-59,725.80-16,460.40

Finding the Fourth Proportional to 39,817.20, 59,725.80 and 16,460.40

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Solution

The fourth proportional to 39,817.20, 59,725.80 and 16,460.40 is: 24,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,817.20 : 59,725.80 = 16,460.40 : x
  2. Step 2: Convert to fraction form
    39,817.20/59,725.80 = 16,460.40/x
  3. Step 3: Cross multiply
    39,817.20x = 59,725.80 × 16,460.40
  4. Step 4: Simplify right side
    39,817.20x = 983,110,558.32
  5. Step 5: Solve for x
    x = 983,110,558.32/39,817.20
  6. Step 6: Final answer
    x = 24,690.60

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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.