Home / 39,077.36-58,629-25,981.28

Finding the Fourth Proportional to 39,077.36, 58,629 and 25,981.28

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Solution

The fourth proportional to 39,077.36, 58,629 and 25,981.28 is: 38,980.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,077.36 : 58,629 = 25,981.28 : x
  2. Step 2: Convert to fraction form
    39,077.36/58,629 = 25,981.28/x
  3. Step 3: Cross multiply
    39,077.36x = 58,629 × 25,981.28
  4. Step 4: Simplify right side
    39,077.36x = 1,523,256,465.12
  5. Step 5: Solve for x
    x = 1,523,256,465.12/39,077.36
  6. Step 6: Final answer
    x = 38,980.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.