Home / 30,587.81-42,186.83-25,273.40

Finding the Fourth Proportional to 30,587.81, 42,186.83 and 25,273.40

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Solution

The fourth proportional to 30,587.81, 42,186.83 and 25,273.40 is: 34,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,587.81 : 42,186.83 = 25,273.40 : x
  2. Step 2: Convert to fraction form
    30,587.81/42,186.83 = 25,273.40/x
  3. Step 3: Cross multiply
    30,587.81x = 42,186.83 × 25,273.40
  4. Step 4: Simplify right side
    30,587.81x = 1,066,204,629.32
  5. Step 5: Solve for x
    x = 1,066,204,629.32/30,587.81
  6. Step 6: Final answer
    x = 34,857.17

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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.