Home / 48,455.40-72,678.55-16,857.91

Finding the Fourth Proportional to 48,455.40, 72,678.55 and 16,857.91

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Solution

The fourth proportional to 48,455.40, 72,678.55 and 16,857.91 is: 25,285.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,455.40 : 72,678.55 = 16,857.91 : x
  2. Step 2: Convert to fraction form
    48,455.40/72,678.55 = 16,857.91/x
  3. Step 3: Cross multiply
    48,455.40x = 72,678.55 × 16,857.91
  4. Step 4: Simplify right side
    48,455.40x = 1,225,208,454.83
  5. Step 5: Solve for x
    x = 1,225,208,454.83/48,455.40
  6. Step 6: Final answer
    x = 25,285.28

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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.