Home / 52,212.32-72,053.52-28,339.20

Finding the Fourth Proportional to 52,212.32, 72,053.52 and 28,339.20

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Solution

The fourth proportional to 52,212.32, 72,053.52 and 28,339.20 is: 39,108.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,212.32 : 72,053.52 = 28,339.20 : x
  2. Step 2: Convert to fraction form
    52,212.32/72,053.52 = 28,339.20/x
  3. Step 3: Cross multiply
    52,212.32x = 72,053.52 × 28,339.20
  4. Step 4: Simplify right side
    52,212.32x = 2,041,939,113.98
  5. Step 5: Solve for x
    x = 2,041,939,113.98/52,212.32
  6. Step 6: Final answer
    x = 39,108.38

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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.