Home / 52,519.95-72,477.86-28,647.09

Finding the Fourth Proportional to 52,519.95, 72,477.86 and 28,647.09

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Solution

The fourth proportional to 52,519.95, 72,477.86 and 28,647.09 is: 39,533.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,519.95 : 72,477.86 = 28,647.09 : x
  2. Step 2: Convert to fraction form
    52,519.95/72,477.86 = 28,647.09/x
  3. Step 3: Cross multiply
    52,519.95x = 72,477.86 × 28,647.09
  4. Step 4: Simplify right side
    52,519.95x = 2,076,279,635.19
  5. Step 5: Solve for x
    x = 2,076,279,635.19/52,519.95
  6. Step 6: Final answer
    x = 39,533.16

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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.