Home / 42,366.67-63,550.46-12,784.77

Finding the Fourth Proportional to 42,366.67, 63,550.46 and 12,784.77

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Solution

The fourth proportional to 42,366.67, 63,550.46 and 12,784.77 is: 19,177.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,366.67 : 63,550.46 = 12,784.77 : x
  2. Step 2: Convert to fraction form
    42,366.67/63,550.46 = 12,784.77/x
  3. Step 3: Cross multiply
    42,366.67x = 63,550.46 × 12,784.77
  4. Step 4: Simplify right side
    42,366.67x = 812,478,014.49
  5. Step 5: Solve for x
    x = 812,478,014.49/42,366.67
  6. Step 6: Final answer
    x = 19,177.29

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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.