Home / 30,710.64-45,966.92-15,899.20

Finding the Fourth Proportional to 30,710.64, 45,966.92 and 15,899.20

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Solution

The fourth proportional to 30,710.64, 45,966.92 and 15,899.20 is: 23,797.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,710.64 : 45,966.92 = 15,899.20 : x
  2. Step 2: Convert to fraction form
    30,710.64/45,966.92 = 15,899.20/x
  3. Step 3: Cross multiply
    30,710.64x = 45,966.92 × 15,899.20
  4. Step 4: Simplify right side
    30,710.64x = 730,837,254.46
  5. Step 5: Solve for x
    x = 730,837,254.46/30,710.64
  6. Step 6: Final answer
    x = 23,797.53

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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.