Home / 50,740.13-70,019.65-28,080.07

Finding the Fourth Proportional to 50,740.13, 70,019.65 and 28,080.07

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Solution

The fourth proportional to 50,740.13, 70,019.65 and 28,080.07 is: 38,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,740.13 : 70,019.65 = 28,080.07 : x
  2. Step 2: Convert to fraction form
    50,740.13/70,019.65 = 28,080.07/x
  3. Step 3: Cross multiply
    50,740.13x = 70,019.65 × 28,080.07
  4. Step 4: Simplify right side
    50,740.13x = 1,966,156,673.38
  5. Step 5: Solve for x
    x = 1,966,156,673.38/50,740.13
  6. Step 6: Final answer
    x = 38,749.54

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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.