Home / 52,839.81-72,918.45-28,966.41

Finding the Fourth Proportional to 52,839.81, 72,918.45 and 28,966.41

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Solution

The fourth proportional to 52,839.81, 72,918.45 and 28,966.41 is: 39,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,839.81 : 72,918.45 = 28,966.41 : x
  2. Step 2: Convert to fraction form
    52,839.81/72,918.45 = 28,966.41/x
  3. Step 3: Cross multiply
    52,839.81x = 72,918.45 × 28,966.41
  4. Step 4: Simplify right side
    52,839.81x = 2,112,185,719.26
  5. Step 5: Solve for x
    x = 2,112,185,719.26/52,839.81
  6. Step 6: Final answer
    x = 39,973.38

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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.