Home / 30,275.10-45,398.07-10,553.22

Finding the Fourth Proportional to 30,275.10, 45,398.07 and 10,553.22

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Solution

The fourth proportional to 30,275.10, 45,398.07 and 10,553.22 is: 15,824.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,275.10 : 45,398.07 = 10,553.22 : x
  2. Step 2: Convert to fraction form
    30,275.10/45,398.07 = 10,553.22/x
  3. Step 3: Cross multiply
    30,275.10x = 45,398.07 × 10,553.22
  4. Step 4: Simplify right side
    30,275.10x = 479,095,820.29
  5. Step 5: Solve for x
    x = 479,095,820.29/30,275.10
  6. Step 6: Final answer
    x = 15,824.75

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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.