Home / 39,934.08-59,886.54-13,631.76

Finding the Fourth Proportional to 39,934.08, 59,886.54 and 13,631.76

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Solution

The fourth proportional to 39,934.08, 59,886.54 and 13,631.76 is: 20,442.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,934.08 : 59,886.54 = 13,631.76 : x
  2. Step 2: Convert to fraction form
    39,934.08/59,886.54 = 13,631.76/x
  3. Step 3: Cross multiply
    39,934.08x = 59,886.54 × 13,631.76
  4. Step 4: Simplify right side
    39,934.08x = 816,358,940.51
  5. Step 5: Solve for x
    x = 816,358,940.51/39,934.08
  6. Step 6: Final answer
    x = 20,442.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.