Home / 40,285.10-60,427.65-39,421.10

Finding the Fourth Proportional to 40,285.10, 60,427.65 and 39,421.10

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Solution

The fourth proportional to 40,285.10, 60,427.65 and 39,421.10 is: 59,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285.10 : 60,427.65 = 39,421.10 : x
  2. Step 2: Convert to fraction form
    40,285.10/60,427.65 = 39,421.10/x
  3. Step 3: Cross multiply
    40,285.10x = 60,427.65 × 39,421.10
  4. Step 4: Simplify right side
    40,285.10x = 2,382,124,433.42
  5. Step 5: Solve for x
    x = 2,382,124,433.42/40,285.10
  6. Step 6: Final answer
    x = 59,131.65

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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.