Home / 52,285.17-72,153.86-28,411.77

Finding the Fourth Proportional to 52,285.17, 72,153.86 and 28,411.77

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Solution

The fourth proportional to 52,285.17, 72,153.86 and 28,411.77 is: 39,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,285.17 : 72,153.86 = 28,411.77 : x
  2. Step 2: Convert to fraction form
    52,285.17/72,153.86 = 28,411.77/x
  3. Step 3: Cross multiply
    52,285.17x = 72,153.86 × 28,411.77
  4. Step 4: Simplify right side
    52,285.17x = 2,050,018,732.87
  5. Step 5: Solve for x
    x = 2,050,018,732.87/52,285.17
  6. Step 6: Final answer
    x = 39,208.42

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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.