Home / 42,927.76-64,413.51-19,551.16

Finding the Fourth Proportional to 42,927.76, 64,413.51 and 19,551.16

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Solution

The fourth proportional to 42,927.76, 64,413.51 and 19,551.16 is: 29,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,927.76 : 64,413.51 = 19,551.16 : x
  2. Step 2: Convert to fraction form
    42,927.76/64,413.51 = 19,551.16/x
  3. Step 3: Cross multiply
    42,927.76x = 64,413.51 × 19,551.16
  4. Step 4: Simplify right side
    42,927.76x = 1,259,358,840.17
  5. Step 5: Solve for x
    x = 1,259,358,840.17/42,927.76
  6. Step 6: Final answer
    x = 29,336.70

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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.