Home / 52,851.69-72,935.91-28,977.84

Finding the Fourth Proportional to 52,851.69, 72,935.91 and 28,977.84

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Solution

The fourth proportional to 52,851.69, 72,935.91 and 28,977.84 is: 39,989.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,851.69 : 72,935.91 = 28,977.84 : x
  2. Step 2: Convert to fraction form
    52,851.69/72,935.91 = 28,977.84/x
  3. Step 3: Cross multiply
    52,851.69x = 72,935.91 × 28,977.84
  4. Step 4: Simplify right side
    52,851.69x = 2,113,525,130.23
  5. Step 5: Solve for x
    x = 2,113,525,130.23/52,851.69
  6. Step 6: Final answer
    x = 39,989.74

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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.