Home / 74,926.32-112,397.01-21,619.62

Finding the Fourth Proportional to 74,926.32, 112,397.01 and 21,619.62

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Solution

The fourth proportional to 74,926.32, 112,397.01 and 21,619.62 is: 32,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,926.32 : 112,397.01 = 21,619.62 : x
  2. Step 2: Convert to fraction form
    74,926.32/112,397.01 = 21,619.62/x
  3. Step 3: Cross multiply
    74,926.32x = 112,397.01 × 21,619.62
  4. Step 4: Simplify right side
    74,926.32x = 2,429,980,645.34
  5. Step 5: Solve for x
    x = 2,429,980,645.34/74,926.32
  6. Step 6: Final answer
    x = 32,431.60

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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.