Home / 31,360.64-43,297.94-19,436.63

Finding the Fourth Proportional to 31,360.64, 43,297.94 and 19,436.63

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Solution

The fourth proportional to 31,360.64, 43,297.94 and 19,436.63 is: 26,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,360.64 : 43,297.94 = 19,436.63 : x
  2. Step 2: Convert to fraction form
    31,360.64/43,297.94 = 19,436.63/x
  3. Step 3: Cross multiply
    31,360.64x = 43,297.94 × 19,436.63
  4. Step 4: Simplify right side
    31,360.64x = 841,565,871.64
  5. Step 5: Solve for x
    x = 841,565,871.64/31,360.64
  6. Step 6: Final answer
    x = 26,835.10

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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.