Home / 40,875.81-61,316.33-10,889.55

Finding the Fourth Proportional to 40,875.81, 61,316.33 and 10,889.55

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Solution

The fourth proportional to 40,875.81, 61,316.33 and 10,889.55 is: 16,335.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,875.81 : 61,316.33 = 10,889.55 : x
  2. Step 2: Convert to fraction form
    40,875.81/61,316.33 = 10,889.55/x
  3. Step 3: Cross multiply
    40,875.81x = 61,316.33 × 10,889.55
  4. Step 4: Simplify right side
    40,875.81x = 667,707,186.90
  5. Step 5: Solve for x
    x = 667,707,186.90/40,875.81
  6. Step 6: Final answer
    x = 16,335.02

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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.