Home / 35,031.04-48,342.43-19,115.75

Finding the Fourth Proportional to 35,031.04, 48,342.43 and 19,115.75

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Solution

The fourth proportional to 35,031.04, 48,342.43 and 19,115.75 is: 26,379.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,031.04 : 48,342.43 = 19,115.75 : x
  2. Step 2: Convert to fraction form
    35,031.04/48,342.43 = 19,115.75/x
  3. Step 3: Cross multiply
    35,031.04x = 48,342.43 × 19,115.75
  4. Step 4: Simplify right side
    35,031.04x = 924,101,879.34
  5. Step 5: Solve for x
    x = 924,101,879.34/35,031.04
  6. Step 6: Final answer
    x = 26,379.52

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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.