Home / 47,564.15-65,638.36-27,420.94

Finding the Fourth Proportional to 47,564.15, 65,638.36 and 27,420.94

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Solution

The fourth proportional to 47,564.15, 65,638.36 and 27,420.94 is: 37,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,564.15 : 65,638.36 = 27,420.94 : x
  2. Step 2: Convert to fraction form
    47,564.15/65,638.36 = 27,420.94/x
  3. Step 3: Cross multiply
    47,564.15x = 65,638.36 × 27,420.94
  4. Step 4: Simplify right side
    47,564.15x = 1,799,865,387.94
  5. Step 5: Solve for x
    x = 1,799,865,387.94/47,564.15
  6. Step 6: Final answer
    x = 37,840.80

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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.