Home / 47,814.48-65,990.88-28,695.12

Finding the Fourth Proportional to 47,814.48, 65,990.88 and 28,695.12

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Solution

The fourth proportional to 47,814.48, 65,990.88 and 28,695.12 is: 39,603.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,814.48 : 65,990.88 = 28,695.12 : x
  2. Step 2: Convert to fraction form
    47,814.48/65,990.88 = 28,695.12/x
  3. Step 3: Cross multiply
    47,814.48x = 65,990.88 × 28,695.12
  4. Step 4: Simplify right side
    47,814.48x = 1,893,616,220.51
  5. Step 5: Solve for x
    x = 1,893,616,220.51/47,814.48
  6. Step 6: Final answer
    x = 39,603.41

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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.