Home / 39,242.07-54,153.29-21,336.92

Finding the Fourth Proportional to 39,242.07, 54,153.29 and 21,336.92

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Solution

The fourth proportional to 39,242.07, 54,153.29 and 21,336.92 is: 29,444.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,242.07 : 54,153.29 = 21,336.92 : x
  2. Step 2: Convert to fraction form
    39,242.07/54,153.29 = 21,336.92/x
  3. Step 3: Cross multiply
    39,242.07x = 54,153.29 × 21,336.92
  4. Step 4: Simplify right side
    39,242.07x = 1,155,464,402.12
  5. Step 5: Solve for x
    x = 1,155,464,402.12/39,242.07
  6. Step 6: Final answer
    x = 29,444.53

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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.