Home / 35,276.07-48,681.90-20,171.19

Finding the Fourth Proportional to 35,276.07, 48,681.90 and 20,171.19

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Solution

The fourth proportional to 35,276.07, 48,681.90 and 20,171.19 is: 27,836.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,276.07 : 48,681.90 = 20,171.19 : x
  2. Step 2: Convert to fraction form
    35,276.07/48,681.90 = 20,171.19/x
  3. Step 3: Cross multiply
    35,276.07x = 48,681.90 × 20,171.19
  4. Step 4: Simplify right side
    35,276.07x = 981,971,854.46
  5. Step 5: Solve for x
    x = 981,971,854.46/35,276.07
  6. Step 6: Final answer
    x = 27,836.77

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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.