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Finding the Fourth Proportional to 58,435.52, 80,618.80 and 35,756.32

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Solution

The fourth proportional to 58,435.52, 80,618.80 and 35,756.32 is: 49,330.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,435.52 : 80,618.80 = 35,756.32 : x
  2. Step 2: Convert to fraction form
    58,435.52/80,618.80 = 35,756.32/x
  3. Step 3: Cross multiply
    58,435.52x = 80,618.80 × 35,756.32
  4. Step 4: Simplify right side
    58,435.52x = 2,882,631,610.82
  5. Step 5: Solve for x
    x = 2,882,631,610.82/58,435.52
  6. Step 6: Final answer
    x = 49,330.13

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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.