Home / 56,278.48-77,665.08-32,409.40

Finding the Fourth Proportional to 56,278.48, 77,665.08 and 32,409.40

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Solution

The fourth proportional to 56,278.48, 77,665.08 and 32,409.40 is: 44,725.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,278.48 : 77,665.08 = 32,409.40 : x
  2. Step 2: Convert to fraction form
    56,278.48/77,665.08 = 32,409.40/x
  3. Step 3: Cross multiply
    56,278.48x = 77,665.08 × 32,409.40
  4. Step 4: Simplify right side
    56,278.48x = 2,517,078,643.75
  5. Step 5: Solve for x
    x = 2,517,078,643.75/56,278.48
  6. Step 6: Final answer
    x = 44,725.42

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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.