Home / 30,276.48-45,381.12-22,856.88

Finding the Fourth Proportional to 30,276.48, 45,381.12 and 22,856.88

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Solution

The fourth proportional to 30,276.48, 45,381.12 and 22,856.88 is: 34,259.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.48 : 45,381.12 = 22,856.88 : x
  2. Step 2: Convert to fraction form
    30,276.48/45,381.12 = 22,856.88/x
  3. Step 3: Cross multiply
    30,276.48x = 45,381.12 × 22,856.88
  4. Step 4: Simplify right side
    30,276.48x = 1,037,270,814.11
  5. Step 5: Solve for x
    x = 1,037,270,814.11/30,276.48
  6. Step 6: Final answer
    x = 34,259.95

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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.