Home / 47,085-64,977.30-25,864.62

Finding the Fourth Proportional to 47,085, 64,977.30 and 25,864.62

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Solution

The fourth proportional to 47,085, 64,977.30 and 25,864.62 is: 35,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,085 : 64,977.30 = 25,864.62 : x
  2. Step 2: Convert to fraction form
    47,085/64,977.30 = 25,864.62/x
  3. Step 3: Cross multiply
    47,085x = 64,977.30 × 25,864.62
  4. Step 4: Simplify right side
    47,085x = 1,680,613,173.13
  5. Step 5: Solve for x
    x = 1,680,613,173.13/47,085
  6. Step 6: Final answer
    x = 35,693.18

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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.