Home / 47,090.81-64,985.35-25,871.45

Finding the Fourth Proportional to 47,090.81, 64,985.35 and 25,871.45

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Solution

The fourth proportional to 47,090.81, 64,985.35 and 25,871.45 is: 35,702.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,090.81 : 64,985.35 = 25,871.45 : x
  2. Step 2: Convert to fraction form
    47,090.81/64,985.35 = 25,871.45/x
  3. Step 3: Cross multiply
    47,090.81x = 64,985.35 × 25,871.45
  4. Step 4: Simplify right side
    47,090.81x = 1,681,264,819.40
  5. Step 5: Solve for x
    x = 1,681,264,819.40/47,090.81
  6. Step 6: Final answer
    x = 35,702.61

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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.