Home / 47,079.32-70,618.93-12,018.98

Finding the Fourth Proportional to 47,079.32, 70,618.93 and 12,018.98

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Solution

The fourth proportional to 47,079.32, 70,618.93 and 12,018.98 is: 18,028.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,079.32 : 70,618.93 = 12,018.98 : x
  2. Step 2: Convert to fraction form
    47,079.32/70,618.93 = 12,018.98/x
  3. Step 3: Cross multiply
    47,079.32x = 70,618.93 × 12,018.98
  4. Step 4: Simplify right side
    47,079.32x = 848,767,653.79
  5. Step 5: Solve for x
    x = 848,767,653.79/47,079.32
  6. Step 6: Final answer
    x = 18,028.46

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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.