Home / 48,421.14-66,814.95-28,263.43

Finding the Fourth Proportional to 48,421.14, 66,814.95 and 28,263.43

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Solution

The fourth proportional to 48,421.14, 66,814.95 and 28,263.43 is: 38,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,421.14 : 66,814.95 = 28,263.43 : x
  2. Step 2: Convert to fraction form
    48,421.14/66,814.95 = 28,263.43/x
  3. Step 3: Cross multiply
    48,421.14x = 66,814.95 × 28,263.43
  4. Step 4: Simplify right side
    48,421.14x = 1,888,419,662.28
  5. Step 5: Solve for x
    x = 1,888,419,662.28/48,421.14
  6. Step 6: Final answer
    x = 38,999.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.