Home / 30,966.28-46,525.38-19,877.56

Finding the Fourth Proportional to 30,966.28, 46,525.38 and 19,877.56

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Solution

The fourth proportional to 30,966.28, 46,525.38 and 19,877.56 is: 29,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,966.28 : 46,525.38 = 19,877.56 : x
  2. Step 2: Convert to fraction form
    30,966.28/46,525.38 = 19,877.56/x
  3. Step 3: Cross multiply
    30,966.28x = 46,525.38 × 19,877.56
  4. Step 4: Simplify right side
    30,966.28x = 924,811,032.47
  5. Step 5: Solve for x
    x = 924,811,032.47/30,966.28
  6. Step 6: Final answer
    x = 29,865.10

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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.