Home / 42,223.13-58,269-25,457.21

Finding the Fourth Proportional to 42,223.13, 58,269 and 25,457.21

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Solution

The fourth proportional to 42,223.13, 58,269 and 25,457.21 is: 35,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,223.13 : 58,269 = 25,457.21 : x
  2. Step 2: Convert to fraction form
    42,223.13/58,269 = 25,457.21/x
  3. Step 3: Cross multiply
    42,223.13x = 58,269 × 25,457.21
  4. Step 4: Simplify right side
    42,223.13x = 1,483,366,169.49
  5. Step 5: Solve for x
    x = 1,483,366,169.49/42,223.13
  6. Step 6: Final answer
    x = 35,131.60

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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.