Home / 42,680.07-64,020.11-16,370.46

Finding the Fourth Proportional to 42,680.07, 64,020.11 and 16,370.46

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Solution

The fourth proportional to 42,680.07, 64,020.11 and 16,370.46 is: 24,555.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,680.07 : 64,020.11 = 16,370.46 : x
  2. Step 2: Convert to fraction form
    42,680.07/64,020.11 = 16,370.46/x
  3. Step 3: Cross multiply
    42,680.07x = 64,020.11 × 16,370.46
  4. Step 4: Simplify right side
    42,680.07x = 1,048,038,568.10
  5. Step 5: Solve for x
    x = 1,048,038,568.10/42,680.07
  6. Step 6: Final answer
    x = 24,555.69

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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.