Home / 47,000.75-64,866.80-27,128.75

Finding the Fourth Proportional to 47,000.75, 64,866.80 and 27,128.75

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Solution

The fourth proportional to 47,000.75, 64,866.80 and 27,128.75 is: 37,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,000.75 : 64,866.80 = 27,128.75 : x
  2. Step 2: Convert to fraction form
    47,000.75/64,866.80 = 27,128.75/x
  3. Step 3: Cross multiply
    47,000.75x = 64,866.80 × 27,128.75
  4. Step 4: Simplify right side
    47,000.75x = 1,759,755,200.50
  5. Step 5: Solve for x
    x = 1,759,755,200.50/47,000.75
  6. Step 6: Final answer
    x = 37,441.00

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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.