Home / 37,995.12-52,432.98-21,000.52

Finding the Fourth Proportional to 37,995.12, 52,432.98 and 21,000.52

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Solution

The fourth proportional to 37,995.12, 52,432.98 and 21,000.52 is: 28,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,995.12 : 52,432.98 = 21,000.52 : x
  2. Step 2: Convert to fraction form
    37,995.12/52,432.98 = 21,000.52/x
  3. Step 3: Cross multiply
    37,995.12x = 52,432.98 × 21,000.52
  4. Step 4: Simplify right side
    37,995.12x = 1,101,119,845.15
  5. Step 5: Solve for x
    x = 1,101,119,845.15/37,995.12
  6. Step 6: Final answer
    x = 28,980.56

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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.