Home / 56,529.51-78,018.84-33,869.40

Finding the Fourth Proportional to 56,529.51, 78,018.84 and 33,869.40

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Solution

The fourth proportional to 56,529.51, 78,018.84 and 33,869.40 is: 46,744.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,529.51 : 78,018.84 = 33,869.40 : x
  2. Step 2: Convert to fraction form
    56,529.51/78,018.84 = 33,869.40/x
  3. Step 3: Cross multiply
    56,529.51x = 78,018.84 × 33,869.40
  4. Step 4: Simplify right side
    56,529.51x = 2,642,451,299.50
  5. Step 5: Solve for x
    x = 2,642,451,299.50/56,529.51
  6. Step 6: Final answer
    x = 46,744.63

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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.