Home / 43,075.35-64,612.98-13,495.50

Finding the Fourth Proportional to 43,075.35, 64,612.98 and 13,495.50

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Solution

The fourth proportional to 43,075.35, 64,612.98 and 13,495.50 is: 20,243.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,075.35 : 64,612.98 = 13,495.50 : x
  2. Step 2: Convert to fraction form
    43,075.35/64,612.98 = 13,495.50/x
  3. Step 3: Cross multiply
    43,075.35x = 64,612.98 × 13,495.50
  4. Step 4: Simplify right side
    43,075.35x = 871,984,471.59
  5. Step 5: Solve for x
    x = 871,984,471.59/43,075.35
  6. Step 6: Final answer
    x = 20,243.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.