Home / 52,681.38-79,022.16-21,516.64

Finding the Fourth Proportional to 52,681.38, 79,022.16 and 21,516.64

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Solution

The fourth proportional to 52,681.38, 79,022.16 and 21,516.64 is: 32,275.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,681.38 : 79,022.16 = 21,516.64 : x
  2. Step 2: Convert to fraction form
    52,681.38/79,022.16 = 21,516.64/x
  3. Step 3: Cross multiply
    52,681.38x = 79,022.16 × 21,516.64
  4. Step 4: Simplify right side
    52,681.38x = 1,700,291,368.74
  5. Step 5: Solve for x
    x = 1,700,291,368.74/52,681.38
  6. Step 6: Final answer
    x = 32,275.00

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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.