Home / 42,669.60-64,004.40-27,104.80

Finding the Fourth Proportional to 42,669.60, 64,004.40 and 27,104.80

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Solution

The fourth proportional to 42,669.60, 64,004.40 and 27,104.80 is: 40,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,669.60 : 64,004.40 = 27,104.80 : x
  2. Step 2: Convert to fraction form
    42,669.60/64,004.40 = 27,104.80/x
  3. Step 3: Cross multiply
    42,669.60x = 64,004.40 × 27,104.80
  4. Step 4: Simplify right side
    42,669.60x = 1,734,826,461.12
  5. Step 5: Solve for x
    x = 1,734,826,461.12/42,669.60
  6. Step 6: Final answer
    x = 40,657.20

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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.