Home / 31,254.04-43,130.82-19,314.64

Finding the Fourth Proportional to 31,254.04, 43,130.82 and 19,314.64

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Solution

The fourth proportional to 31,254.04, 43,130.82 and 19,314.64 is: 26,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.04 : 43,130.82 = 19,314.64 : x
  2. Step 2: Convert to fraction form
    31,254.04/43,130.82 = 19,314.64/x
  3. Step 3: Cross multiply
    31,254.04x = 43,130.82 × 19,314.64
  4. Step 4: Simplify right side
    31,254.04x = 833,056,261.20
  5. Step 5: Solve for x
    x = 833,056,261.20/31,254.04
  6. Step 6: Final answer
    x = 26,654.35

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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.