Home / 31,025.40-46,538.10-10,246.20

Finding the Fourth Proportional to 31,025.40, 46,538.10 and 10,246.20

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Solution

The fourth proportional to 31,025.40, 46,538.10 and 10,246.20 is: 15,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,025.40 : 46,538.10 = 10,246.20 : x
  2. Step 2: Convert to fraction form
    31,025.40/46,538.10 = 10,246.20/x
  3. Step 3: Cross multiply
    31,025.40x = 46,538.10 × 10,246.20
  4. Step 4: Simplify right side
    31,025.40x = 476,838,680.22
  5. Step 5: Solve for x
    x = 476,838,680.22/31,025.40
  6. Step 6: Final answer
    x = 15,369.30

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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.