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Finding the Fourth Proportional to 50,862, 70,193.88 and 28,510.32

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Solution

The fourth proportional to 50,862, 70,193.88 and 28,510.32 is: 39,346.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,862 : 70,193.88 = 28,510.32 : x
  2. Step 2: Convert to fraction form
    50,862/70,193.88 = 28,510.32/x
  3. Step 3: Cross multiply
    50,862x = 70,193.88 × 28,510.32
  4. Step 4: Simplify right side
    50,862x = 2,001,249,980.84
  5. Step 5: Solve for x
    x = 2,001,249,980.84/50,862
  6. Step 6: Final answer
    x = 39,346.66

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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.