Home / 30,966.99-42,569.82-26,644.15

Finding the Fourth Proportional to 30,966.99, 42,569.82 and 26,644.15

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Solution

The fourth proportional to 30,966.99, 42,569.82 and 26,644.15 is: 36,627.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,966.99 : 42,569.82 = 26,644.15 : x
  2. Step 2: Convert to fraction form
    30,966.99/42,569.82 = 26,644.15/x
  3. Step 3: Cross multiply
    30,966.99x = 42,569.82 × 26,644.15
  4. Step 4: Simplify right side
    30,966.99x = 1,134,236,669.55
  5. Step 5: Solve for x
    x = 1,134,236,669.55/30,966.99
  6. Step 6: Final answer
    x = 36,627.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.