Home / 20,045.08-30,068.70-6,712.66

Finding the Fourth Proportional to 20,045.08, 30,068.70 and 6,712.66

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Solution

The fourth proportional to 20,045.08, 30,068.70 and 6,712.66 is: 10,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.08 : 30,068.70 = 6,712.66 : x
  2. Step 2: Convert to fraction form
    20,045.08/30,068.70 = 6,712.66/x
  3. Step 3: Cross multiply
    20,045.08x = 30,068.70 × 6,712.66
  4. Step 4: Simplify right side
    20,045.08x = 201,840,959.74
  5. Step 5: Solve for x
    x = 201,840,959.74/20,045.08
  6. Step 6: Final answer
    x = 10,069.35

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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.