Home / 31,785.54-47,686.95-11,010.66

Finding the Fourth Proportional to 31,785.54, 47,686.95 and 11,010.66

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Solution

The fourth proportional to 31,785.54, 47,686.95 and 11,010.66 is: 16,518.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,785.54 : 47,686.95 = 11,010.66 : x
  2. Step 2: Convert to fraction form
    31,785.54/47,686.95 = 11,010.66/x
  3. Step 3: Cross multiply
    31,785.54x = 47,686.95 × 11,010.66
  4. Step 4: Simplify right side
    31,785.54x = 525,064,792.89
  5. Step 5: Solve for x
    x = 525,064,792.89/31,785.54
  6. Step 6: Final answer
    x = 16,518.98

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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.