Home / 31,783.47-47,677.02-12,061.59

Finding the Fourth Proportional to 31,783.47, 47,677.02 and 12,061.59

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Solution

The fourth proportional to 31,783.47, 47,677.02 and 12,061.59 is: 18,093.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,783.47 : 47,677.02 = 12,061.59 : x
  2. Step 2: Convert to fraction form
    31,783.47/47,677.02 = 12,061.59/x
  3. Step 3: Cross multiply
    31,783.47x = 47,677.02 × 12,061.59
  4. Step 4: Simplify right side
    31,783.47x = 575,060,667.66
  5. Step 5: Solve for x
    x = 575,060,667.66/31,783.47
  6. Step 6: Final answer
    x = 18,093.07

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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.