Home / 35,130.35-48,480.60-19,215.83

Finding the Fourth Proportional to 35,130.35, 48,480.60 and 19,215.83

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Solution

The fourth proportional to 35,130.35, 48,480.60 and 19,215.83 is: 26,518.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,130.35 : 48,480.60 = 19,215.83 : x
  2. Step 2: Convert to fraction form
    35,130.35/48,480.60 = 19,215.83/x
  3. Step 3: Cross multiply
    35,130.35x = 48,480.60 × 19,215.83
  4. Step 4: Simplify right side
    35,130.35x = 931,594,725.50
  5. Step 5: Solve for x
    x = 931,594,725.50/35,130.35
  6. Step 6: Final answer
    x = 26,518.23

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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.