Home / 52,511.77-72,465.51-28,638.44

Finding the Fourth Proportional to 52,511.77, 72,465.51 and 28,638.44

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Solution

The fourth proportional to 52,511.77, 72,465.51 and 28,638.44 is: 39,520.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,511.77 : 72,465.51 = 28,638.44 : x
  2. Step 2: Convert to fraction form
    52,511.77/72,465.51 = 28,638.44/x
  3. Step 3: Cross multiply
    52,511.77x = 72,465.51 × 28,638.44
  4. Step 4: Simplify right side
    52,511.77x = 2,075,299,177.02
  5. Step 5: Solve for x
    x = 2,075,299,177.02/52,511.77
  6. Step 6: Final answer
    x = 39,520.65

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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.