Home / 63,075.81-94,629.66-20,956.11

Finding the Fourth Proportional to 63,075.81, 94,629.66 and 20,956.11

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Solution

The fourth proportional to 63,075.81, 94,629.66 and 20,956.11 is: 31,439.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,075.81 : 94,629.66 = 20,956.11 : x
  2. Step 2: Convert to fraction form
    63,075.81/94,629.66 = 20,956.11/x
  3. Step 3: Cross multiply
    63,075.81x = 94,629.66 × 20,956.11
  4. Step 4: Simplify right side
    63,075.81x = 1,983,069,699.67
  5. Step 5: Solve for x
    x = 1,983,069,699.67/63,075.81
  6. Step 6: Final answer
    x = 31,439.47

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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.