Home / 30,931.12-42,725.64-23,717.26

Finding the Fourth Proportional to 30,931.12, 42,725.64 and 23,717.26

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Solution

The fourth proportional to 30,931.12, 42,725.64 and 23,717.26 is: 32,761.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,931.12 : 42,725.64 = 23,717.26 : x
  2. Step 2: Convert to fraction form
    30,931.12/42,725.64 = 23,717.26/x
  3. Step 3: Cross multiply
    30,931.12x = 42,725.64 × 23,717.26
  4. Step 4: Simplify right side
    30,931.12x = 1,013,335,112.55
  5. Step 5: Solve for x
    x = 1,013,335,112.55/30,931.12
  6. Step 6: Final answer
    x = 32,761.02

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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.