Home / 42,531.99-63,807.53-12,952.16

Finding the Fourth Proportional to 42,531.99, 63,807.53 and 12,952.16

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Solution

The fourth proportional to 42,531.99, 63,807.53 and 12,952.16 is: 19,431.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,531.99 : 63,807.53 = 12,952.16 : x
  2. Step 2: Convert to fraction form
    42,531.99/63,807.53 = 12,952.16/x
  3. Step 3: Cross multiply
    42,531.99x = 63,807.53 × 12,952.16
  4. Step 4: Simplify right side
    42,531.99x = 826,444,953.97
  5. Step 5: Solve for x
    x = 826,444,953.97/42,531.99
  6. Step 6: Final answer
    x = 19,431.14

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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.