Home / 39,277.49-54,204.12-21,373.79

Finding the Fourth Proportional to 39,277.49, 54,204.12 and 21,373.79

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Solution

The fourth proportional to 39,277.49, 54,204.12 and 21,373.79 is: 29,496.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,277.49 : 54,204.12 = 21,373.79 : x
  2. Step 2: Convert to fraction form
    39,277.49/54,204.12 = 21,373.79/x
  3. Step 3: Cross multiply
    39,277.49x = 54,204.12 × 21,373.79
  4. Step 4: Simplify right side
    39,277.49x = 1,158,547,206.99
  5. Step 5: Solve for x
    x = 1,158,547,206.99/39,277.49
  6. Step 6: Final answer
    x = 29,496.47

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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.