Home / 35,868.60-53,802.90-19,279.80

Finding the Fourth Proportional to 35,868.60, 53,802.90 and 19,279.80

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Solution

The fourth proportional to 35,868.60, 53,802.90 and 19,279.80 is: 28,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,868.60 : 53,802.90 = 19,279.80 : x
  2. Step 2: Convert to fraction form
    35,868.60/53,802.90 = 19,279.80/x
  3. Step 3: Cross multiply
    35,868.60x = 53,802.90 × 19,279.80
  4. Step 4: Simplify right side
    35,868.60x = 1,037,309,151.42
  5. Step 5: Solve for x
    x = 1,037,309,151.42/35,868.60
  6. Step 6: Final answer
    x = 28,919.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.