Home / 56,069.72-84,113.46-21,012.12

Finding the Fourth Proportional to 56,069.72, 84,113.46 and 21,012.12

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Solution

The fourth proportional to 56,069.72, 84,113.46 and 21,012.12 is: 31,521.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,069.72 : 84,113.46 = 21,012.12 : x
  2. Step 2: Convert to fraction form
    56,069.72/84,113.46 = 21,012.12/x
  3. Step 3: Cross multiply
    56,069.72x = 84,113.46 × 21,012.12
  4. Step 4: Simplify right side
    56,069.72x = 1,767,402,115.14
  5. Step 5: Solve for x
    x = 1,767,402,115.14/56,069.72
  6. Step 6: Final answer
    x = 31,521.51

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Double scale
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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.