Home / 31,512.48-47,298-15,941.12

Finding the Fourth Proportional to 31,512.48, 47,298 and 15,941.12

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Solution

The fourth proportional to 31,512.48, 47,298 and 15,941.12 is: 23,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.48 : 47,298 = 15,941.12 : x
  2. Step 2: Convert to fraction form
    31,512.48/47,298 = 15,941.12/x
  3. Step 3: Cross multiply
    31,512.48x = 47,298 × 15,941.12
  4. Step 4: Simplify right side
    31,512.48x = 753,983,093.76
  5. Step 5: Solve for x
    x = 753,983,093.76/31,512.48
  6. Step 6: Final answer
    x = 23,926.49

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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.