Home / 49,661.40-74,492.10-46,356.60

Finding the Fourth Proportional to 49,661.40, 74,492.10 and 46,356.60

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Solution

The fourth proportional to 49,661.40, 74,492.10 and 46,356.60 is: 69,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,661.40 : 74,492.10 = 46,356.60 : x
  2. Step 2: Convert to fraction form
    49,661.40/74,492.10 = 46,356.60/x
  3. Step 3: Cross multiply
    49,661.40x = 74,492.10 × 46,356.60
  4. Step 4: Simplify right side
    49,661.40x = 3,453,200,482.86
  5. Step 5: Solve for x
    x = 3,453,200,482.86/49,661.40
  6. Step 6: Final answer
    x = 69,534.90

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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.