Home / 48,238.79-66,569.74-28,109.48

Finding the Fourth Proportional to 48,238.79, 66,569.74 and 28,109.48

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Solution

The fourth proportional to 48,238.79, 66,569.74 and 28,109.48 is: 38,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,238.79 : 66,569.74 = 28,109.48 : x
  2. Step 2: Convert to fraction form
    48,238.79/66,569.74 = 28,109.48/x
  3. Step 3: Cross multiply
    48,238.79x = 66,569.74 × 28,109.48
  4. Step 4: Simplify right side
    48,238.79x = 1,871,240,775.14
  5. Step 5: Solve for x
    x = 1,871,240,775.14/48,238.79
  6. Step 6: Final answer
    x = 38,791.20

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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.