Home / 39,486.77-54,492.62-21,582.93

Finding the Fourth Proportional to 39,486.77, 54,492.62 and 21,582.93

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Solution

The fourth proportional to 39,486.77, 54,492.62 and 21,582.93 is: 29,784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,486.77 : 54,492.62 = 21,582.93 : x
  2. Step 2: Convert to fraction form
    39,486.77/54,492.62 = 21,582.93/x
  3. Step 3: Cross multiply
    39,486.77x = 54,492.62 × 21,582.93
  4. Step 4: Simplify right side
    39,486.77x = 1,176,110,295.06
  5. Step 5: Solve for x
    x = 1,176,110,295.06/39,486.77
  6. Step 6: Final answer
    x = 29,784.92

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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.