Home / 47,434.48-65,457.88-28,567.92

Finding the Fourth Proportional to 47,434.48, 65,457.88 and 28,567.92

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Solution

The fourth proportional to 47,434.48, 65,457.88 and 28,567.92 is: 39,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,434.48 : 65,457.88 = 28,567.92 : x
  2. Step 2: Convert to fraction form
    47,434.48/65,457.88 = 28,567.92/x
  3. Step 3: Cross multiply
    47,434.48x = 65,457.88 × 28,567.92
  4. Step 4: Simplify right side
    47,434.48x = 1,869,995,479.21
  5. Step 5: Solve for x
    x = 1,869,995,479.21/47,434.48
  6. Step 6: Final answer
    x = 39,422.70

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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.