Home / 40,426.65-60,639.98-18,265.05

Finding the Fourth Proportional to 40,426.65, 60,639.98 and 18,265.05

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Solution

The fourth proportional to 40,426.65, 60,639.98 and 18,265.05 is: 27,397.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,426.65 : 60,639.98 = 18,265.05 : x
  2. Step 2: Convert to fraction form
    40,426.65/60,639.98 = 18,265.05/x
  3. Step 3: Cross multiply
    40,426.65x = 60,639.98 × 18,265.05
  4. Step 4: Simplify right side
    40,426.65x = 1,107,592,175.37
  5. Step 5: Solve for x
    x = 1,107,592,175.37/40,426.65
  6. Step 6: Final answer
    x = 27,397.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.