Home / 56,018.48-77,199.17-40,075.25

Finding the Fourth Proportional to 56,018.48, 77,199.17 and 40,075.25

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Solution

The fourth proportional to 56,018.48, 77,199.17 and 40,075.25 is: 55,227.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,018.48 : 77,199.17 = 40,075.25 : x
  2. Step 2: Convert to fraction form
    56,018.48/77,199.17 = 40,075.25/x
  3. Step 3: Cross multiply
    56,018.48x = 77,199.17 × 40,075.25
  4. Step 4: Simplify right side
    56,018.48x = 3,093,775,451.17
  5. Step 5: Solve for x
    x = 3,093,775,451.17/56,018.48
  6. Step 6: Final answer
    x = 55,227.77

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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.