Home / 31,223.64-43,089.26-17,077.40

Finding the Fourth Proportional to 31,223.64, 43,089.26 and 17,077.40

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Solution

The fourth proportional to 31,223.64, 43,089.26 and 17,077.40 is: 23,567.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,223.64 : 43,089.26 = 17,077.40 : x
  2. Step 2: Convert to fraction form
    31,223.64/43,089.26 = 17,077.40/x
  3. Step 3: Cross multiply
    31,223.64x = 43,089.26 × 17,077.40
  4. Step 4: Simplify right side
    31,223.64x = 735,852,528.72
  5. Step 5: Solve for x
    x = 735,852,528.72/31,223.64
  6. Step 6: Final answer
    x = 23,567.16

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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.