Home / 50,736.04-70,035.36-45,421.62

Finding the Fourth Proportional to 50,736.04, 70,035.36 and 45,421.62

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Solution

The fourth proportional to 50,736.04, 70,035.36 and 45,421.62 is: 62,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,736.04 : 70,035.36 = 45,421.62 : x
  2. Step 2: Convert to fraction form
    50,736.04/70,035.36 = 45,421.62/x
  3. Step 3: Cross multiply
    50,736.04x = 70,035.36 × 45,421.62
  4. Step 4: Simplify right side
    50,736.04x = 3,181,119,508.48
  5. Step 5: Solve for x
    x = 3,181,119,508.48/50,736.04
  6. Step 6: Final answer
    x = 62,699.40

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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.