Home / 48,455.55-72,688.93-12,917.34

Finding the Fourth Proportional to 48,455.55, 72,688.93 and 12,917.34

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Solution

The fourth proportional to 48,455.55, 72,688.93 and 12,917.34 is: 19,377.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,455.55 : 72,688.93 = 12,917.34 : x
  2. Step 2: Convert to fraction form
    48,455.55/72,688.93 = 12,917.34/x
  3. Step 3: Cross multiply
    48,455.55x = 72,688.93 × 12,917.34
  4. Step 4: Simplify right side
    48,455.55x = 938,947,590.75
  5. Step 5: Solve for x
    x = 938,947,590.75/48,455.55
  6. Step 6: Final answer
    x = 19,377.50

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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.