Home / 35,319.64-48,741.13-19,405.12

Finding the Fourth Proportional to 35,319.64, 48,741.13 and 19,405.12

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Solution

The fourth proportional to 35,319.64, 48,741.13 and 19,405.12 is: 26,779.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,319.64 : 48,741.13 = 19,405.12 : x
  2. Step 2: Convert to fraction form
    35,319.64/48,741.13 = 19,405.12/x
  3. Step 3: Cross multiply
    35,319.64x = 48,741.13 × 19,405.12
  4. Step 4: Simplify right side
    35,319.64x = 945,827,476.59
  5. Step 5: Solve for x
    x = 945,827,476.59/35,319.64
  6. Step 6: Final answer
    x = 26,779.08

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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.