Home / 55,812.51-77,014.80-31,937.76

Finding the Fourth Proportional to 55,812.51, 77,014.80 and 31,937.76

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Solution

The fourth proportional to 55,812.51, 77,014.80 and 31,937.76 is: 44,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,812.51 : 77,014.80 = 31,937.76 : x
  2. Step 2: Convert to fraction form
    55,812.51/77,014.80 = 31,937.76/x
  3. Step 3: Cross multiply
    55,812.51x = 77,014.80 × 31,937.76
  4. Step 4: Simplify right side
    55,812.51x = 2,459,680,198.85
  5. Step 5: Solve for x
    x = 2,459,680,198.85/55,812.51
  6. Step 6: Final answer
    x = 44,070.41

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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.