Home / 35,691.40-49,256.80-19,777.32

Finding the Fourth Proportional to 35,691.40, 49,256.80 and 19,777.32

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Solution

The fourth proportional to 35,691.40, 49,256.80 and 19,777.32 is: 27,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,691.40 : 49,256.80 = 19,777.32 : x
  2. Step 2: Convert to fraction form
    35,691.40/49,256.80 = 19,777.32/x
  3. Step 3: Cross multiply
    35,691.40x = 49,256.80 × 19,777.32
  4. Step 4: Simplify right side
    35,691.40x = 974,167,495.78
  5. Step 5: Solve for x
    x = 974,167,495.78/35,691.40
  6. Step 6: Final answer
    x = 27,294.18

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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.