Home / 31,811.61-47,726.16-14,056.53

Finding the Fourth Proportional to 31,811.61, 47,726.16 and 14,056.53

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Solution

The fourth proportional to 31,811.61, 47,726.16 and 14,056.53 is: 21,088.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,811.61 : 47,726.16 = 14,056.53 : x
  2. Step 2: Convert to fraction form
    31,811.61/47,726.16 = 14,056.53/x
  3. Step 3: Cross multiply
    31,811.61x = 47,726.16 × 14,056.53
  4. Step 4: Simplify right side
    31,811.61x = 670,864,199.82
  5. Step 5: Solve for x
    x = 670,864,199.82/31,811.61
  6. Step 6: Final answer
    x = 21,088.66

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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.