Home / 39,246.09-54,160.14-21,341.02

Finding the Fourth Proportional to 39,246.09, 54,160.14 and 21,341.02

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Solution

The fourth proportional to 39,246.09, 54,160.14 and 21,341.02 is: 29,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,246.09 : 54,160.14 = 21,341.02 : x
  2. Step 2: Convert to fraction form
    39,246.09/54,160.14 = 21,341.02/x
  3. Step 3: Cross multiply
    39,246.09x = 54,160.14 × 21,341.02
  4. Step 4: Simplify right side
    39,246.09x = 1,155,832,677.12
  5. Step 5: Solve for x
    x = 1,155,832,677.12/39,246.09
  6. Step 6: Final answer
    x = 29,450.90

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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.