Home / 47,891.86-66,090.40-27,748.31

Finding the Fourth Proportional to 47,891.86, 66,090.40 and 27,748.31

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Solution

The fourth proportional to 47,891.86, 66,090.40 and 27,748.31 is: 38,292.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,891.86 : 66,090.40 = 27,748.31 : x
  2. Step 2: Convert to fraction form
    47,891.86/66,090.40 = 27,748.31/x
  3. Step 3: Cross multiply
    47,891.86x = 66,090.40 × 27,748.31
  4. Step 4: Simplify right side
    47,891.86x = 1,833,896,507.40
  5. Step 5: Solve for x
    x = 1,833,896,507.40/47,891.86
  6. Step 6: Final answer
    x = 38,292.45

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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.