Home / 52,116.32-78,174.57-12,673.46

Finding the Fourth Proportional to 52,116.32, 78,174.57 and 12,673.46

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Solution

The fourth proportional to 52,116.32, 78,174.57 and 12,673.46 is: 19,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,116.32 : 78,174.57 = 12,673.46 : x
  2. Step 2: Convert to fraction form
    52,116.32/78,174.57 = 12,673.46/x
  3. Step 3: Cross multiply
    52,116.32x = 78,174.57 × 12,673.46
  4. Step 4: Simplify right side
    52,116.32x = 990,742,285.91
  5. Step 5: Solve for x
    x = 990,742,285.91/52,116.32
  6. Step 6: Final answer
    x = 19,010.21

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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.