Home / 40,969.02-61,490.16-20,992.14

Finding the Fourth Proportional to 40,969.02, 61,490.16 and 20,992.14

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Solution

The fourth proportional to 40,969.02, 61,490.16 and 20,992.14 is: 31,506.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,969.02 : 61,490.16 = 20,992.14 : x
  2. Step 2: Convert to fraction form
    40,969.02/61,490.16 = 20,992.14/x
  3. Step 3: Cross multiply
    40,969.02x = 61,490.16 × 20,992.14
  4. Step 4: Simplify right side
    40,969.02x = 1,290,810,047.34
  5. Step 5: Solve for x
    x = 1,290,810,047.34/40,969.02
  6. Step 6: Final answer
    x = 31,506.98

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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.