Home / 55,329.38-76,360.98-31,459.62

Finding the Fourth Proportional to 55,329.38, 76,360.98 and 31,459.62

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Solution

The fourth proportional to 55,329.38, 76,360.98 and 31,459.62 is: 43,417.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,329.38 : 76,360.98 = 31,459.62 : x
  2. Step 2: Convert to fraction form
    55,329.38/76,360.98 = 31,459.62/x
  3. Step 3: Cross multiply
    55,329.38x = 76,360.98 × 31,459.62
  4. Step 4: Simplify right side
    55,329.38x = 2,402,287,413.63
  5. Step 5: Solve for x
    x = 2,402,287,413.63/55,329.38
  6. Step 6: Final answer
    x = 43,417.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.