Home / 52,362.81-72,261.05-28,489.68

Finding the Fourth Proportional to 52,362.81, 72,261.05 and 28,489.68

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Solution

The fourth proportional to 52,362.81, 72,261.05 and 28,489.68 is: 39,315.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,362.81 : 72,261.05 = 28,489.68 : x
  2. Step 2: Convert to fraction form
    52,362.81/72,261.05 = 28,489.68/x
  3. Step 3: Cross multiply
    52,362.81x = 72,261.05 × 28,489.68
  4. Step 4: Simplify right side
    52,362.81x = 2,058,694,048.52
  5. Step 5: Solve for x
    x = 2,058,694,048.52/52,362.81
  6. Step 6: Final answer
    x = 39,315.96

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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.