Home / 40,935.63-61,403.46-14,638.80

Finding the Fourth Proportional to 40,935.63, 61,403.46 and 14,638.80

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Solution

The fourth proportional to 40,935.63, 61,403.46 and 14,638.80 is: 21,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,935.63 : 61,403.46 = 14,638.80 : x
  2. Step 2: Convert to fraction form
    40,935.63/61,403.46 = 14,638.80/x
  3. Step 3: Cross multiply
    40,935.63x = 61,403.46 × 14,638.80
  4. Step 4: Simplify right side
    40,935.63x = 898,872,970.25
  5. Step 5: Solve for x
    x = 898,872,970.25/40,935.63
  6. Step 6: Final answer
    x = 21,958.21

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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.