Home / 43,314.68-64,888.50-28,479.08

Finding the Fourth Proportional to 43,314.68, 64,888.50 and 28,479.08

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Solution

The fourth proportional to 43,314.68, 64,888.50 and 28,479.08 is: 42,663.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,314.68 : 64,888.50 = 28,479.08 : x
  2. Step 2: Convert to fraction form
    43,314.68/64,888.50 = 28,479.08/x
  3. Step 3: Cross multiply
    43,314.68x = 64,888.50 × 28,479.08
  4. Step 4: Simplify right side
    43,314.68x = 1,847,964,782.58
  5. Step 5: Solve for x
    x = 1,847,964,782.58/43,314.68
  6. Step 6: Final answer
    x = 42,663.71

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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.