Home / 39,777.40-59,790.08-25,080.76

Finding the Fourth Proportional to 39,777.40, 59,790.08 and 25,080.76

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Solution

The fourth proportional to 39,777.40, 59,790.08 and 25,080.76 is: 37,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,777.40 : 59,790.08 = 25,080.76 : x
  2. Step 2: Convert to fraction form
    39,777.40/59,790.08 = 25,080.76/x
  3. Step 3: Cross multiply
    39,777.40x = 59,790.08 × 25,080.76
  4. Step 4: Simplify right side
    39,777.40x = 1,499,580,646.86
  5. Step 5: Solve for x
    x = 1,499,580,646.86/39,777.40
  6. Step 6: Final answer
    x = 37,699.31

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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.