Home / 42,702.28-64,061.62-14,626.67

Finding the Fourth Proportional to 42,702.28, 64,061.62 and 14,626.67

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Solution

The fourth proportional to 42,702.28, 64,061.62 and 14,626.67 is: 21,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,702.28 : 64,061.62 = 14,626.67 : x
  2. Step 2: Convert to fraction form
    42,702.28/64,061.62 = 14,626.67/x
  3. Step 3: Cross multiply
    42,702.28x = 64,061.62 × 14,626.67
  4. Step 4: Simplify right side
    42,702.28x = 937,007,818.53
  5. Step 5: Solve for x
    x = 937,007,818.53/42,702.28
  6. Step 6: Final answer
    x = 21,942.81

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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.