Home / 40,975.15-61,467.48-14,312.89

Finding the Fourth Proportional to 40,975.15, 61,467.48 and 14,312.89

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Solution

The fourth proportional to 40,975.15, 61,467.48 and 14,312.89 is: 21,470.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,975.15 : 61,467.48 = 14,312.89 : x
  2. Step 2: Convert to fraction form
    40,975.15/61,467.48 = 14,312.89/x
  3. Step 3: Cross multiply
    40,975.15x = 61,467.48 × 14,312.89
  4. Step 4: Simplify right side
    40,975.15x = 879,777,126.15
  5. Step 5: Solve for x
    x = 879,777,126.15/40,975.15
  6. Step 6: Final answer
    x = 21,470.99

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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.