Home / 30,210.57-41,715.81-25,201.05

Finding the Fourth Proportional to 30,210.57, 41,715.81 and 25,201.05

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Solution

The fourth proportional to 30,210.57, 41,715.81 and 25,201.05 is: 34,798.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,210.57 : 41,715.81 = 25,201.05 : x
  2. Step 2: Convert to fraction form
    30,210.57/41,715.81 = 25,201.05/x
  3. Step 3: Cross multiply
    30,210.57x = 41,715.81 × 25,201.05
  4. Step 4: Simplify right side
    30,210.57x = 1,051,282,057.17
  5. Step 5: Solve for x
    x = 1,051,282,057.17/30,210.57
  6. Step 6: Final answer
    x = 34,798.48

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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.