Home / 48,345.56-66,716.88-28,216.28

Finding the Fourth Proportional to 48,345.56, 66,716.88 and 28,216.28

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Solution

The fourth proportional to 48,345.56, 66,716.88 and 28,216.28 is: 38,938.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,345.56 : 66,716.88 = 28,216.28 : x
  2. Step 2: Convert to fraction form
    48,345.56/66,716.88 = 28,216.28/x
  3. Step 3: Cross multiply
    48,345.56x = 66,716.88 × 28,216.28
  4. Step 4: Simplify right side
    48,345.56x = 1,882,502,166.81
  5. Step 5: Solve for x
    x = 1,882,502,166.81/48,345.56
  6. Step 6: Final answer
    x = 38,938.47

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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.