Home / 35,128.11-48,477.51-19,213.59

Finding the Fourth Proportional to 35,128.11, 48,477.51 and 19,213.59

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Solution

The fourth proportional to 35,128.11, 48,477.51 and 19,213.59 is: 26,515.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.11 : 48,477.51 = 19,213.59 : x
  2. Step 2: Convert to fraction form
    35,128.11/48,477.51 = 19,213.59/x
  3. Step 3: Cross multiply
    35,128.11x = 48,477.51 × 19,213.59
  4. Step 4: Simplify right side
    35,128.11x = 931,427,001.36
  5. Step 5: Solve for x
    x = 931,427,001.36/35,128.11
  6. Step 6: Final answer
    x = 26,515.15

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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.