Home / 30,127.01-45,195.55-10,400.27

Finding the Fourth Proportional to 30,127.01, 45,195.55 and 10,400.27

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Solution

The fourth proportional to 30,127.01, 45,195.55 and 10,400.27 is: 15,602.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.01 : 45,195.55 = 10,400.27 : x
  2. Step 2: Convert to fraction form
    30,127.01/45,195.55 = 10,400.27/x
  3. Step 3: Cross multiply
    30,127.01x = 45,195.55 × 10,400.27
  4. Step 4: Simplify right side
    30,127.01x = 470,046,009.79
  5. Step 5: Solve for x
    x = 470,046,009.79/30,127.01
  6. Step 6: Final answer
    x = 15,602.14

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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.