Home / 40,068.04-55,307.04-28,134.34

Finding the Fourth Proportional to 40,068.04, 55,307.04 and 28,134.34

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Solution

The fourth proportional to 40,068.04, 55,307.04 and 28,134.34 is: 38,834.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,068.04 : 55,307.04 = 28,134.34 : x
  2. Step 2: Convert to fraction form
    40,068.04/55,307.04 = 28,134.34/x
  3. Step 3: Cross multiply
    40,068.04x = 55,307.04 × 28,134.34
  4. Step 4: Simplify right side
    40,068.04x = 1,556,027,067.75
  5. Step 5: Solve for x
    x = 1,556,027,067.75/40,068.04
  6. Step 6: Final answer
    x = 38,834.62

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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.