Home / 52,141.84-78,211.23-12,698.38

Finding the Fourth Proportional to 52,141.84, 78,211.23 and 12,698.38

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Solution

The fourth proportional to 52,141.84, 78,211.23 and 12,698.38 is: 19,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,141.84 : 78,211.23 = 12,698.38 : x
  2. Step 2: Convert to fraction form
    52,141.84/78,211.23 = 12,698.38/x
  3. Step 3: Cross multiply
    52,141.84x = 78,211.23 × 12,698.38
  4. Step 4: Simplify right side
    52,141.84x = 993,155,918.81
  5. Step 5: Solve for x
    x = 993,155,918.81/52,141.84
  6. Step 6: Final answer
    x = 19,047.20

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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.