Home / 30,731.40-46,095.28-10,739.49

Finding the Fourth Proportional to 30,731.40, 46,095.28 and 10,739.49

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Solution

The fourth proportional to 30,731.40, 46,095.28 and 10,739.49 is: 16,108.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,731.40 : 46,095.28 = 10,739.49 : x
  2. Step 2: Convert to fraction form
    30,731.40/46,095.28 = 10,739.49/x
  3. Step 3: Cross multiply
    30,731.40x = 46,095.28 × 10,739.49
  4. Step 4: Simplify right side
    30,731.40x = 495,039,598.90
  5. Step 5: Solve for x
    x = 495,039,598.90/30,731.40
  6. Step 6: Final answer
    x = 16,108.59

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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.