Home / 39,515.80-59,403.30-27,909.40

Finding the Fourth Proportional to 39,515.80, 59,403.30 and 27,909.40

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Solution

The fourth proportional to 39,515.80, 59,403.30 and 27,909.40 is: 41,955.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,515.80 : 59,403.30 = 27,909.40 : x
  2. Step 2: Convert to fraction form
    39,515.80/59,403.30 = 27,909.40/x
  3. Step 3: Cross multiply
    39,515.80x = 59,403.30 × 27,909.40
  4. Step 4: Simplify right side
    39,515.80x = 1,657,910,461.02
  5. Step 5: Solve for x
    x = 1,657,910,461.02/39,515.80
  6. Step 6: Final answer
    x = 41,955.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.