Home / 55,331.04-76,356.84-31,459.17

Finding the Fourth Proportional to 55,331.04, 76,356.84 and 31,459.17

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Solution

The fourth proportional to 55,331.04, 76,356.84 and 31,459.17 is: 43,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,331.04 : 76,356.84 = 31,459.17 : x
  2. Step 2: Convert to fraction form
    55,331.04/76,356.84 = 31,459.17/x
  3. Step 3: Cross multiply
    55,331.04x = 76,356.84 × 31,459.17
  4. Step 4: Simplify right side
    55,331.04x = 2,402,122,810.22
  5. Step 5: Solve for x
    x = 2,402,122,810.22/55,331.04
  6. Step 6: Final answer
    x = 43,413.66

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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.