Home / 30,407.48-45,611.20-22,140.10

Finding the Fourth Proportional to 30,407.48, 45,611.20 and 22,140.10

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Solution

The fourth proportional to 30,407.48, 45,611.20 and 22,140.10 is: 33,210.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,407.48 : 45,611.20 = 22,140.10 : x
  2. Step 2: Convert to fraction form
    30,407.48/45,611.20 = 22,140.10/x
  3. Step 3: Cross multiply
    30,407.48x = 45,611.20 × 22,140.10
  4. Step 4: Simplify right side
    30,407.48x = 1,009,836,529.12
  5. Step 5: Solve for x
    x = 1,009,836,529.12/30,407.48
  6. Step 6: Final answer
    x = 33,210.14

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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.