Home / 56,297.95-77,690.59-31,147.63

Finding the Fourth Proportional to 56,297.95, 77,690.59 and 31,147.63

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Solution

The fourth proportional to 56,297.95, 77,690.59 and 31,147.63 is: 42,983.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,297.95 : 77,690.59 = 31,147.63 : x
  2. Step 2: Convert to fraction form
    56,297.95/77,690.59 = 31,147.63/x
  3. Step 3: Cross multiply
    56,297.95x = 77,690.59 × 31,147.63
  4. Step 4: Simplify right side
    56,297.95x = 2,419,877,751.80
  5. Step 5: Solve for x
    x = 2,419,877,751.80/56,297.95
  6. Step 6: Final answer
    x = 42,983.41

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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.