Home / 31,035.20-46,552.80-19,225.40

Finding the Fourth Proportional to 31,035.20, 46,552.80 and 19,225.40

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Solution

The fourth proportional to 31,035.20, 46,552.80 and 19,225.40 is: 28,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,035.20 : 46,552.80 = 19,225.40 : x
  2. Step 2: Convert to fraction form
    31,035.20/46,552.80 = 19,225.40/x
  3. Step 3: Cross multiply
    31,035.20x = 46,552.80 × 19,225.40
  4. Step 4: Simplify right side
    31,035.20x = 894,996,201.12
  5. Step 5: Solve for x
    x = 894,996,201.12/31,035.20
  6. Step 6: Final answer
    x = 28,838.10

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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.