Home / 31,316.20-46,974.30-10,554.28

Finding the Fourth Proportional to 31,316.20, 46,974.30 and 10,554.28

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Solution

The fourth proportional to 31,316.20, 46,974.30 and 10,554.28 is: 15,831.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,316.20 : 46,974.30 = 10,554.28 : x
  2. Step 2: Convert to fraction form
    31,316.20/46,974.30 = 10,554.28/x
  3. Step 3: Cross multiply
    31,316.20x = 46,974.30 × 10,554.28
  4. Step 4: Simplify right side
    31,316.20x = 495,779,915.00
  5. Step 5: Solve for x
    x = 495,779,915.00/31,316.20
  6. Step 6: Final answer
    x = 15,831.42

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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.