Home / 40,993.36-61,492.25-12,915.62

Finding the Fourth Proportional to 40,993.36, 61,492.25 and 12,915.62

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Solution

The fourth proportional to 40,993.36, 61,492.25 and 12,915.62 is: 19,374.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,993.36 : 61,492.25 = 12,915.62 : x
  2. Step 2: Convert to fraction form
    40,993.36/61,492.25 = 12,915.62/x
  3. Step 3: Cross multiply
    40,993.36x = 61,492.25 × 12,915.62
  4. Step 4: Simplify right side
    40,993.36x = 794,210,533.95
  5. Step 5: Solve for x
    x = 794,210,533.95/40,993.36
  6. Step 6: Final answer
    x = 19,374.13

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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.