Home / 56,106.24-77,426.22-31,907.20

Finding the Fourth Proportional to 56,106.24, 77,426.22 and 31,907.20

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Solution

The fourth proportional to 56,106.24, 77,426.22 and 31,907.20 is: 44,031.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,106.24 : 77,426.22 = 31,907.20 : x
  2. Step 2: Convert to fraction form
    56,106.24/77,426.22 = 31,907.20/x
  3. Step 3: Cross multiply
    56,106.24x = 77,426.22 × 31,907.20
  4. Step 4: Simplify right side
    56,106.24x = 2,470,453,886.78
  5. Step 5: Solve for x
    x = 2,470,453,886.78/56,106.24
  6. Step 6: Final answer
    x = 44,031.71

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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.