Home / 42,285.12-63,413.10-14,200.80

Finding the Fourth Proportional to 42,285.12, 63,413.10 and 14,200.80

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Solution

The fourth proportional to 42,285.12, 63,413.10 and 14,200.80 is: 21,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,285.12 : 63,413.10 = 14,200.80 : x
  2. Step 2: Convert to fraction form
    42,285.12/63,413.10 = 14,200.80/x
  3. Step 3: Cross multiply
    42,285.12x = 63,413.10 × 14,200.80
  4. Step 4: Simplify right side
    42,285.12x = 900,516,750.48
  5. Step 5: Solve for x
    x = 900,516,750.48/42,285.12
  6. Step 6: Final answer
    x = 21,296.30

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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.