Home / 52,761.34-72,812.49-28,888.21

Finding the Fourth Proportional to 52,761.34, 72,812.49 and 28,888.21

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Solution

The fourth proportional to 52,761.34, 72,812.49 and 28,888.21 is: 39,866.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,761.34 : 72,812.49 = 28,888.21 : x
  2. Step 2: Convert to fraction form
    52,761.34/72,812.49 = 28,888.21/x
  3. Step 3: Cross multiply
    52,761.34x = 72,812.49 × 28,888.21
  4. Step 4: Simplify right side
    52,761.34x = 2,103,422,501.74
  5. Step 5: Solve for x
    x = 2,103,422,501.74/52,761.34
  6. Step 6: Final answer
    x = 39,866.74

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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.