Home / 52,199.79-72,043.44-30,688.62

Finding the Fourth Proportional to 52,199.79, 72,043.44 and 30,688.62

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Solution

The fourth proportional to 52,199.79, 72,043.44 and 30,688.62 is: 42,354.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,199.79 : 72,043.44 = 30,688.62 : x
  2. Step 2: Convert to fraction form
    52,199.79/72,043.44 = 30,688.62/x
  3. Step 3: Cross multiply
    52,199.79x = 72,043.44 × 30,688.62
  4. Step 4: Simplify right side
    52,199.79x = 2,210,913,753.65
  5. Step 5: Solve for x
    x = 2,210,913,753.65/52,199.79
  6. Step 6: Final answer
    x = 42,354.84

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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.