Home / 43,156.44-64,719-15,068.62

Finding the Fourth Proportional to 43,156.44, 64,719 and 15,068.62

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Solution

The fourth proportional to 43,156.44, 64,719 and 15,068.62 is: 22,597.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,156.44 : 64,719 = 15,068.62 : x
  2. Step 2: Convert to fraction form
    43,156.44/64,719 = 15,068.62/x
  3. Step 3: Cross multiply
    43,156.44x = 64,719 × 15,068.62
  4. Step 4: Simplify right side
    43,156.44x = 975,226,017.78
  5. Step 5: Solve for x
    x = 975,226,017.78/43,156.44
  6. Step 6: Final answer
    x = 22,597.46

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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.