Home / 35,031.28-48,342.52-19,115.32

Finding the Fourth Proportional to 35,031.28, 48,342.52 and 19,115.32

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Solution

The fourth proportional to 35,031.28, 48,342.52 and 19,115.32 is: 26,378.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,031.28 : 48,342.52 = 19,115.32 : x
  2. Step 2: Convert to fraction form
    35,031.28/48,342.52 = 19,115.32/x
  3. Step 3: Cross multiply
    35,031.28x = 48,342.52 × 19,115.32
  4. Step 4: Simplify right side
    35,031.28x = 924,082,739.41
  5. Step 5: Solve for x
    x = 924,082,739.41/35,031.28
  6. Step 6: Final answer
    x = 26,378.79

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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.