Home / 48,128.63-72,087.80-24,395.40

Finding the Fourth Proportional to 48,128.63, 72,087.80 and 24,395.40

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Solution

The fourth proportional to 48,128.63, 72,087.80 and 24,395.40 is: 36,539.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,128.63 : 72,087.80 = 24,395.40 : x
  2. Step 2: Convert to fraction form
    48,128.63/72,087.80 = 24,395.40/x
  3. Step 3: Cross multiply
    48,128.63x = 72,087.80 × 24,395.40
  4. Step 4: Simplify right side
    48,128.63x = 1,758,610,594.14
  5. Step 5: Solve for x
    x = 1,758,610,594.14/48,128.63
  6. Step 6: Final answer
    x = 36,539.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.