Home / 47,550.63-65,615.28-28,426.62

Finding the Fourth Proportional to 47,550.63, 65,615.28 and 28,426.62

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Solution

The fourth proportional to 47,550.63, 65,615.28 and 28,426.62 is: 39,225.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,550.63 : 65,615.28 = 28,426.62 : x
  2. Step 2: Convert to fraction form
    47,550.63/65,615.28 = 28,426.62/x
  3. Step 3: Cross multiply
    47,550.63x = 65,615.28 × 28,426.62
  4. Step 4: Simplify right side
    47,550.63x = 1,865,220,630.75
  5. Step 5: Solve for x
    x = 1,865,220,630.75/47,550.63
  6. Step 6: Final answer
    x = 39,225.99

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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.