Home / 56,574.76-78,075.64-31,424.26

Finding the Fourth Proportional to 56,574.76, 78,075.64 and 31,424.26

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Solution

The fourth proportional to 56,574.76, 78,075.64 and 31,424.26 is: 43,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,574.76 : 78,075.64 = 31,424.26 : x
  2. Step 2: Convert to fraction form
    56,574.76/78,075.64 = 31,424.26/x
  3. Step 3: Cross multiply
    56,574.76x = 78,075.64 × 31,424.26
  4. Step 4: Simplify right side
    56,574.76x = 2,453,469,211.03
  5. Step 5: Solve for x
    x = 2,453,469,211.03/56,574.76
  6. Step 6: Final answer
    x = 43,366.85

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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.