Home / 31,294.61-46,714.27-28,981.86

Finding the Fourth Proportional to 31,294.61, 46,714.27 and 28,981.86

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Solution

The fourth proportional to 31,294.61, 46,714.27 and 28,981.86 is: 43,261.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,294.61 : 46,714.27 = 28,981.86 : x
  2. Step 2: Convert to fraction form
    31,294.61/46,714.27 = 28,981.86/x
  3. Step 3: Cross multiply
    31,294.61x = 46,714.27 × 28,981.86
  4. Step 4: Simplify right side
    31,294.61x = 1,353,866,399.89
  5. Step 5: Solve for x
    x = 1,353,866,399.89/31,294.61
  6. Step 6: Final answer
    x = 43,261.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.