Home / 52,008.26-78,012.59-12,565.31

Finding the Fourth Proportional to 52,008.26, 78,012.59 and 12,565.31

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Solution

The fourth proportional to 52,008.26, 78,012.59 and 12,565.31 is: 18,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,008.26 : 78,012.59 = 12,565.31 : x
  2. Step 2: Convert to fraction form
    52,008.26/78,012.59 = 12,565.31/x
  3. Step 3: Cross multiply
    52,008.26x = 78,012.59 × 12,565.31
  4. Step 4: Simplify right side
    52,008.26x = 980,252,377.25
  5. Step 5: Solve for x
    x = 980,252,377.25/52,008.26
  6. Step 6: Final answer
    x = 18,848.01

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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.