Home / 30,388.19-45,602.28-10,666.22

Finding the Fourth Proportional to 30,388.19, 45,602.28 and 10,666.22

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Solution

The fourth proportional to 30,388.19, 45,602.28 and 10,666.22 is: 16,006.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,388.19 : 45,602.28 = 10,666.22 : x
  2. Step 2: Convert to fraction form
    30,388.19/45,602.28 = 10,666.22/x
  3. Step 3: Cross multiply
    30,388.19x = 45,602.28 × 10,666.22
  4. Step 4: Simplify right side
    30,388.19x = 486,403,722.97
  5. Step 5: Solve for x
    x = 486,403,722.97/30,388.19
  6. Step 6: Final answer
    x = 16,006.34

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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.