Home / 39,341.07-54,291.30-21,436.08

Finding the Fourth Proportional to 39,341.07, 54,291.30 and 21,436.08

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Solution

The fourth proportional to 39,341.07, 54,291.30 and 21,436.08 is: 29,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,341.07 : 54,291.30 = 21,436.08 : x
  2. Step 2: Convert to fraction form
    39,341.07/54,291.30 = 21,436.08/x
  3. Step 3: Cross multiply
    39,341.07x = 54,291.30 × 21,436.08
  4. Step 4: Simplify right side
    39,341.07x = 1,163,792,650.10
  5. Step 5: Solve for x
    x = 1,163,792,650.10/39,341.07
  6. Step 6: Final answer
    x = 29,582.13

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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.