Home / 35,040.60-48,354-19,931.16

Finding the Fourth Proportional to 35,040.60, 48,354 and 19,931.16

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Solution

The fourth proportional to 35,040.60, 48,354 and 19,931.16 is: 27,503.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,040.60 : 48,354 = 19,931.16 : x
  2. Step 2: Convert to fraction form
    35,040.60/48,354 = 19,931.16/x
  3. Step 3: Cross multiply
    35,040.60x = 48,354 × 19,931.16
  4. Step 4: Simplify right side
    35,040.60x = 963,751,310.64
  5. Step 5: Solve for x
    x = 963,751,310.64/35,040.60
  6. Step 6: Final answer
    x = 27,503.85

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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.