Home / 50,681.30-76,090.89-28,510.28

Finding the Fourth Proportional to 50,681.30, 76,090.89 and 28,510.28

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Solution

The fourth proportional to 50,681.30, 76,090.89 and 28,510.28 is: 42,804.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,681.30 : 76,090.89 = 28,510.28 : x
  2. Step 2: Convert to fraction form
    50,681.30/76,090.89 = 28,510.28/x
  3. Step 3: Cross multiply
    50,681.30x = 76,090.89 × 28,510.28
  4. Step 4: Simplify right side
    50,681.30x = 2,169,372,591.15
  5. Step 5: Solve for x
    x = 2,169,372,591.15/50,681.30
  6. Step 6: Final answer
    x = 42,804.21

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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.