Home / 52,017.48-78,030.72-14,578.20

Finding the Fourth Proportional to 52,017.48, 78,030.72 and 14,578.20

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Solution

The fourth proportional to 52,017.48, 78,030.72 and 14,578.20 is: 21,868.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,017.48 : 78,030.72 = 14,578.20 : x
  2. Step 2: Convert to fraction form
    52,017.48/78,030.72 = 14,578.20/x
  3. Step 3: Cross multiply
    52,017.48x = 78,030.72 × 14,578.20
  4. Step 4: Simplify right side
    52,017.48x = 1,137,547,442.30
  5. Step 5: Solve for x
    x = 1,137,547,442.30/52,017.48
  6. Step 6: Final answer
    x = 21,868.56

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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.