Home / 31,216.86-46,827.88-10,156.40

Finding the Fourth Proportional to 31,216.86, 46,827.88 and 10,156.40

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Solution

The fourth proportional to 31,216.86, 46,827.88 and 10,156.40 is: 15,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,216.86 : 46,827.88 = 10,156.40 : x
  2. Step 2: Convert to fraction form
    31,216.86/46,827.88 = 10,156.40/x
  3. Step 3: Cross multiply
    31,216.86x = 46,827.88 × 10,156.40
  4. Step 4: Simplify right side
    31,216.86x = 475,602,680.43
  5. Step 5: Solve for x
    x = 475,602,680.43/31,216.86
  6. Step 6: Final answer
    x = 15,235.44

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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.