Home / 42,950.55-64,413.43-14,869.47

Finding the Fourth Proportional to 42,950.55, 64,413.43 and 14,869.47

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Solution

The fourth proportional to 42,950.55, 64,413.43 and 14,869.47 is: 22,299.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,950.55 : 64,413.43 = 14,869.47 : x
  2. Step 2: Convert to fraction form
    42,950.55/64,413.43 = 14,869.47/x
  3. Step 3: Cross multiply
    42,950.55x = 64,413.43 × 14,869.47
  4. Step 4: Simplify right side
    42,950.55x = 957,793,769.36
  5. Step 5: Solve for x
    x = 957,793,769.36/42,950.55
  6. Step 6: Final answer
    x = 22,299.92

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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.