Home / 40,458.15-60,685.20-10,875.33

Finding the Fourth Proportional to 40,458.15, 60,685.20 and 10,875.33

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Solution

The fourth proportional to 40,458.15, 60,685.20 and 10,875.33 is: 16,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,458.15 : 60,685.20 = 10,875.33 : x
  2. Step 2: Convert to fraction form
    40,458.15/60,685.20 = 10,875.33/x
  3. Step 3: Cross multiply
    40,458.15x = 60,685.20 × 10,875.33
  4. Step 4: Simplify right side
    40,458.15x = 659,971,576.12
  5. Step 5: Solve for x
    x = 659,971,576.12/40,458.15
  6. Step 6: Final answer
    x = 16,312.45

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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.