Home / 82,932.40-124,398.48-20,602.92

Finding the Fourth Proportional to 82,932.40, 124,398.48 and 20,602.92

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Solution

The fourth proportional to 82,932.40, 124,398.48 and 20,602.92 is: 30,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,932.40 : 124,398.48 = 20,602.92 : x
  2. Step 2: Convert to fraction form
    82,932.40/124,398.48 = 20,602.92/x
  3. Step 3: Cross multiply
    82,932.40x = 124,398.48 × 20,602.92
  4. Step 4: Simplify right side
    82,932.40x = 2,562,971,931.56
  5. Step 5: Solve for x
    x = 2,562,971,931.56/82,932.40
  6. Step 6: Final answer
    x = 30,904.35

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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.