Home / 48,291.24-66,639.19-28,151.40

Finding the Fourth Proportional to 48,291.24, 66,639.19 and 28,151.40

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Solution

The fourth proportional to 48,291.24, 66,639.19 and 28,151.40 is: 38,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,291.24 : 66,639.19 = 28,151.40 : x
  2. Step 2: Convert to fraction form
    48,291.24/66,639.19 = 28,151.40/x
  3. Step 3: Cross multiply
    48,291.24x = 66,639.19 × 28,151.40
  4. Step 4: Simplify right side
    48,291.24x = 1,875,986,778.45
  5. Step 5: Solve for x
    x = 1,875,986,778.45/48,291.24
  6. Step 6: Final answer
    x = 38,847.35

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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.