Home / 31,008.02-46,515.12-9,942.80

Finding the Fourth Proportional to 31,008.02, 46,515.12 and 9,942.80

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Solution

The fourth proportional to 31,008.02, 46,515.12 and 9,942.80 is: 14,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,008.02 : 46,515.12 = 9,942.80 : x
  2. Step 2: Convert to fraction form
    31,008.02/46,515.12 = 9,942.80/x
  3. Step 3: Cross multiply
    31,008.02x = 46,515.12 × 9,942.80
  4. Step 4: Simplify right side
    31,008.02x = 462,490,535.14
  5. Step 5: Solve for x
    x = 462,490,535.14/31,008.02
  6. Step 6: Final answer
    x = 14,915.19

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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.