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Finding the Fourth Proportional to 47,810.66, 65,980.31 and 26,301.31

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Solution

The fourth proportional to 47,810.66, 65,980.31 and 26,301.31 is: 36,296.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,810.66 : 65,980.31 = 26,301.31 : x
  2. Step 2: Convert to fraction form
    47,810.66/65,980.31 = 26,301.31/x
  3. Step 3: Cross multiply
    47,810.66x = 65,980.31 × 26,301.31
  4. Step 4: Simplify right side
    47,810.66x = 1,735,368,587.21
  5. Step 5: Solve for x
    x = 1,735,368,587.21/47,810.66
  6. Step 6: Final answer
    x = 36,296.69

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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.