Home / 35,130.81-48,480.32-20,024.11

Finding the Fourth Proportional to 35,130.81, 48,480.32 and 20,024.11

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Solution

The fourth proportional to 35,130.81, 48,480.32 and 20,024.11 is: 27,633.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,130.81 : 48,480.32 = 20,024.11 : x
  2. Step 2: Convert to fraction form
    35,130.81/48,480.32 = 20,024.11/x
  3. Step 3: Cross multiply
    35,130.81x = 48,480.32 × 20,024.11
  4. Step 4: Simplify right side
    35,130.81x = 970,775,371.18
  5. Step 5: Solve for x
    x = 970,775,371.18/35,130.81
  6. Step 6: Final answer
    x = 27,633.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.