Home / 65,432.08-90,298.49-36,756.80

Finding the Fourth Proportional to 65,432.08, 90,298.49 and 36,756.80

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Solution

The fourth proportional to 65,432.08, 90,298.49 and 36,756.80 is: 50,725.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,432.08 : 90,298.49 = 36,756.80 : x
  2. Step 2: Convert to fraction form
    65,432.08/90,298.49 = 36,756.80/x
  3. Step 3: Cross multiply
    65,432.08x = 90,298.49 × 36,756.80
  4. Step 4: Simplify right side
    65,432.08x = 3,319,083,537.23
  5. Step 5: Solve for x
    x = 3,319,083,537.23/65,432.08
  6. Step 6: Final answer
    x = 50,725.63

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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.