Home / 52,839.74-72,918.31-28,966.81

Finding the Fourth Proportional to 52,839.74, 72,918.31 and 28,966.81

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Solution

The fourth proportional to 52,839.74, 72,918.31 and 28,966.81 is: 39,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,839.74 : 72,918.31 = 28,966.81 : x
  2. Step 2: Convert to fraction form
    52,839.74/72,918.31 = 28,966.81/x
  3. Step 3: Cross multiply
    52,839.74x = 72,918.31 × 28,966.81
  4. Step 4: Simplify right side
    52,839.74x = 2,112,210,686.46
  5. Step 5: Solve for x
    x = 2,112,210,686.46/52,839.74
  6. Step 6: Final answer
    x = 39,973.91

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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.