Home / 52,511.67-72,465.32-28,638.29

Finding the Fourth Proportional to 52,511.67, 72,465.32 and 28,638.29

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Solution

The fourth proportional to 52,511.67, 72,465.32 and 28,638.29 is: 39,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,511.67 : 72,465.32 = 28,638.29 : x
  2. Step 2: Convert to fraction form
    52,511.67/72,465.32 = 28,638.29/x
  3. Step 3: Cross multiply
    52,511.67x = 72,465.32 × 28,638.29
  4. Step 4: Simplify right side
    52,511.67x = 2,075,283,101.86
  5. Step 5: Solve for x
    x = 2,075,283,101.86/52,511.67
  6. Step 6: Final answer
    x = 39,520.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.