Home / 47,818.11-66,036.33-39,403.62

Finding the Fourth Proportional to 47,818.11, 66,036.33 and 39,403.62

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Solution

The fourth proportional to 47,818.11, 66,036.33 and 39,403.62 is: 54,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,818.11 : 66,036.33 = 39,403.62 : x
  2. Step 2: Convert to fraction form
    47,818.11/66,036.33 = 39,403.62/x
  3. Step 3: Cross multiply
    47,818.11x = 66,036.33 × 39,403.62
  4. Step 4: Simplify right side
    47,818.11x = 2,602,070,453.51
  5. Step 5: Solve for x
    x = 2,602,070,453.51/47,818.11
  6. Step 6: Final answer
    x = 54,416.00

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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.