Home / 52,819.34-72,887.70-28,941.20

Finding the Fourth Proportional to 52,819.34, 72,887.70 and 28,941.20

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Solution

The fourth proportional to 52,819.34, 72,887.70 and 28,941.20 is: 39,937.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,819.34 : 72,887.70 = 28,941.20 : x
  2. Step 2: Convert to fraction form
    52,819.34/72,887.70 = 28,941.20/x
  3. Step 3: Cross multiply
    52,819.34x = 72,887.70 × 28,941.20
  4. Step 4: Simplify right side
    52,819.34x = 2,109,457,503.24
  5. Step 5: Solve for x
    x = 2,109,457,503.24/52,819.34
  6. Step 6: Final answer
    x = 39,937.22

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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.