Home / 52,724.84-72,703.32-40,001.36

Finding the Fourth Proportional to 52,724.84, 72,703.32 and 40,001.36

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Solution

The fourth proportional to 52,724.84, 72,703.32 and 40,001.36 is: 55,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,724.84 : 72,703.32 = 40,001.36 : x
  2. Step 2: Convert to fraction form
    52,724.84/72,703.32 = 40,001.36/x
  3. Step 3: Cross multiply
    52,724.84x = 72,703.32 × 40,001.36
  4. Step 4: Simplify right side
    52,724.84x = 2,908,231,676.52
  5. Step 5: Solve for x
    x = 2,908,231,676.52/52,724.84
  6. Step 6: Final answer
    x = 55,158.66

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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.