Home / 47,099.30-70,658.71-13,820.45

Finding the Fourth Proportional to 47,099.30, 70,658.71 and 13,820.45

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Solution

The fourth proportional to 47,099.30, 70,658.71 and 13,820.45 is: 20,733.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,099.30 : 70,658.71 = 13,820.45 : x
  2. Step 2: Convert to fraction form
    47,099.30/70,658.71 = 13,820.45/x
  3. Step 3: Cross multiply
    47,099.30x = 70,658.71 × 13,820.45
  4. Step 4: Simplify right side
    47,099.30x = 976,534,780.77
  5. Step 5: Solve for x
    x = 976,534,780.77/47,099.30
  6. Step 6: Final answer
    x = 20,733.53

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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.