Home / 65,827.96-90,803.59-40,345.76

Finding the Fourth Proportional to 65,827.96, 90,803.59 and 40,345.76

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Solution

The fourth proportional to 65,827.96, 90,803.59 and 40,345.76 is: 55,653.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,827.96 : 90,803.59 = 40,345.76 : x
  2. Step 2: Convert to fraction form
    65,827.96/90,803.59 = 40,345.76/x
  3. Step 3: Cross multiply
    65,827.96x = 90,803.59 × 40,345.76
  4. Step 4: Simplify right side
    65,827.96x = 3,663,539,849.28
  5. Step 5: Solve for x
    x = 3,663,539,849.28/65,827.96
  6. Step 6: Final answer
    x = 55,653.25

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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.