Home / 40,438.60-60,647.10-14,140.60

Finding the Fourth Proportional to 40,438.60, 60,647.10 and 14,140.60

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Solution

The fourth proportional to 40,438.60, 60,647.10 and 14,140.60 is: 21,207.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,438.60 : 60,647.10 = 14,140.60 : x
  2. Step 2: Convert to fraction form
    40,438.60/60,647.10 = 14,140.60/x
  3. Step 3: Cross multiply
    40,438.60x = 60,647.10 × 14,140.60
  4. Step 4: Simplify right side
    40,438.60x = 857,586,382.26
  5. Step 5: Solve for x
    x = 857,586,382.26/40,438.60
  6. Step 6: Final answer
    x = 21,207.12

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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.