Home / 47,079.69-70,630.40-13,802.32

Finding the Fourth Proportional to 47,079.69, 70,630.40 and 13,802.32

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Solution

The fourth proportional to 47,079.69, 70,630.40 and 13,802.32 is: 20,706.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,079.69 : 70,630.40 = 13,802.32 : x
  2. Step 2: Convert to fraction form
    47,079.69/70,630.40 = 13,802.32/x
  3. Step 3: Cross multiply
    47,079.69x = 70,630.40 × 13,802.32
  4. Step 4: Simplify right side
    47,079.69x = 974,863,382.53
  5. Step 5: Solve for x
    x = 974,863,382.53/47,079.69
  6. Step 6: Final answer
    x = 20,706.67

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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.