Home / 38,464.81-53,065.44-25,550.13

Finding the Fourth Proportional to 38,464.81, 53,065.44 and 25,550.13

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Solution

The fourth proportional to 38,464.81, 53,065.44 and 25,550.13 is: 35,248.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,464.81 : 53,065.44 = 25,550.13 : x
  2. Step 2: Convert to fraction form
    38,464.81/53,065.44 = 25,550.13/x
  3. Step 3: Cross multiply
    38,464.81x = 53,065.44 × 25,550.13
  4. Step 4: Simplify right side
    38,464.81x = 1,355,828,890.51
  5. Step 5: Solve for x
    x = 1,355,828,890.51/38,464.81
  6. Step 6: Final answer
    x = 35,248.55

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Double scale
Find fourth proportional to 38,465.81, 53,066.82 and 25,551.13
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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.