Home / 47,282.21-70,925.74-12,222.17

Finding the Fourth Proportional to 47,282.21, 70,925.74 and 12,222.17

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Solution

The fourth proportional to 47,282.21, 70,925.74 and 12,222.17 is: 18,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,282.21 : 70,925.74 = 12,222.17 : x
  2. Step 2: Convert to fraction form
    47,282.21/70,925.74 = 12,222.17/x
  3. Step 3: Cross multiply
    47,282.21x = 70,925.74 × 12,222.17
  4. Step 4: Simplify right side
    47,282.21x = 866,866,066.47
  5. Step 5: Solve for x
    x = 866,866,066.47/47,282.21
  6. Step 6: Final answer
    x = 18,333.88

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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.