Home / 39,630.64-54,681.30-26,885.56

Finding the Fourth Proportional to 39,630.64, 54,681.30 and 26,885.56

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Solution

The fourth proportional to 39,630.64, 54,681.30 and 26,885.56 is: 37,095.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,630.64 : 54,681.30 = 26,885.56 : x
  2. Step 2: Convert to fraction form
    39,630.64/54,681.30 = 26,885.56/x
  3. Step 3: Cross multiply
    39,630.64x = 54,681.30 × 26,885.56
  4. Step 4: Simplify right side
    39,630.64x = 1,470,137,372.03
  5. Step 5: Solve for x
    x = 1,470,137,372.03/39,630.64
  6. Step 6: Final answer
    x = 37,095.98

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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.