Home / 47,800.13-65,980.58-28,937.25

Finding the Fourth Proportional to 47,800.13, 65,980.58 and 28,937.25

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Solution

The fourth proportional to 47,800.13, 65,980.58 and 28,937.25 is: 39,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,800.13 : 65,980.58 = 28,937.25 : x
  2. Step 2: Convert to fraction form
    47,800.13/65,980.58 = 28,937.25/x
  3. Step 3: Cross multiply
    47,800.13x = 65,980.58 × 28,937.25
  4. Step 4: Simplify right side
    47,800.13x = 1,909,296,393.92
  5. Step 5: Solve for x
    x = 1,909,296,393.92/47,800.13
  6. Step 6: Final answer
    x = 39,943.33

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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.