Home / 47,535.66-65,588.13-28,421.64

Finding the Fourth Proportional to 47,535.66, 65,588.13 and 28,421.64

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Solution

The fourth proportional to 47,535.66, 65,588.13 and 28,421.64 is: 39,215.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,535.66 : 65,588.13 = 28,421.64 : x
  2. Step 2: Convert to fraction form
    47,535.66/65,588.13 = 28,421.64/x
  3. Step 3: Cross multiply
    47,535.66x = 65,588.13 × 28,421.64
  4. Step 4: Simplify right side
    47,535.66x = 1,864,122,219.13
  5. Step 5: Solve for x
    x = 1,864,122,219.13/47,535.66
  6. Step 6: Final answer
    x = 39,215.24

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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.