Home / 48,785.40-67,320.36-28,643.10

Finding the Fourth Proportional to 48,785.40, 67,320.36 and 28,643.10

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Solution

The fourth proportional to 48,785.40, 67,320.36 and 28,643.10 is: 39,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,785.40 : 67,320.36 = 28,643.10 : x
  2. Step 2: Convert to fraction form
    48,785.40/67,320.36 = 28,643.10/x
  3. Step 3: Cross multiply
    48,785.40x = 67,320.36 × 28,643.10
  4. Step 4: Simplify right side
    48,785.40x = 1,928,263,803.52
  5. Step 5: Solve for x
    x = 1,928,263,803.52/48,785.40
  6. Step 6: Final answer
    x = 39,525.43

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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.