Home / 35,085.86-48,418.65-19,170.57

Finding the Fourth Proportional to 35,085.86, 48,418.65 and 19,170.57

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Solution

The fourth proportional to 35,085.86, 48,418.65 and 19,170.57 is: 26,455.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,085.86 : 48,418.65 = 19,170.57 : x
  2. Step 2: Convert to fraction form
    35,085.86/48,418.65 = 19,170.57/x
  3. Step 3: Cross multiply
    35,085.86x = 48,418.65 × 19,170.57
  4. Step 4: Simplify right side
    35,085.86x = 928,213,119.13
  5. Step 5: Solve for x
    x = 928,213,119.13/35,085.86
  6. Step 6: Final answer
    x = 26,455.48

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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.