Home / 39,070.56-53,882.64-30,672.48

Finding the Fourth Proportional to 39,070.56, 53,882.64 and 30,672.48

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Solution

The fourth proportional to 39,070.56, 53,882.64 and 30,672.48 is: 42,300.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,070.56 : 53,882.64 = 30,672.48 : x
  2. Step 2: Convert to fraction form
    39,070.56/53,882.64 = 30,672.48/x
  3. Step 3: Cross multiply
    39,070.56x = 53,882.64 × 30,672.48
  4. Step 4: Simplify right side
    39,070.56x = 1,652,714,197.75
  5. Step 5: Solve for x
    x = 1,652,714,197.75/39,070.56
  6. Step 6: Final answer
    x = 42,300.76

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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.