Home / 30,500.19-45,753.29-10,511.28

Finding the Fourth Proportional to 30,500.19, 45,753.29 and 10,511.28

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Solution

The fourth proportional to 30,500.19, 45,753.29 and 10,511.28 is: 15,767.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,500.19 : 45,753.29 = 10,511.28 : x
  2. Step 2: Convert to fraction form
    30,500.19/45,753.29 = 10,511.28/x
  3. Step 3: Cross multiply
    30,500.19x = 45,753.29 × 10,511.28
  4. Step 4: Simplify right side
    30,500.19x = 480,925,642.11
  5. Step 5: Solve for x
    x = 480,925,642.11/30,500.19
  6. Step 6: Final answer
    x = 15,767.96

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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.