Home / 56,172.84-77,518.98-31,022.76

Finding the Fourth Proportional to 56,172.84, 77,518.98 and 31,022.76

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Solution

The fourth proportional to 56,172.84, 77,518.98 and 31,022.76 is: 42,811.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,172.84 : 77,518.98 = 31,022.76 : x
  2. Step 2: Convert to fraction form
    56,172.84/77,518.98 = 31,022.76/x
  3. Step 3: Cross multiply
    56,172.84x = 77,518.98 × 31,022.76
  4. Step 4: Simplify right side
    56,172.84x = 2,404,852,711.98
  5. Step 5: Solve for x
    x = 2,404,852,711.98/56,172.84
  6. Step 6: Final answer
    x = 42,811.66

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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.