Home / 40,013.13-60,022.76-11,931.05

Finding the Fourth Proportional to 40,013.13, 60,022.76 and 11,931.05

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Solution

The fourth proportional to 40,013.13, 60,022.76 and 11,931.05 is: 17,897.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,013.13 : 60,022.76 = 11,931.05 : x
  2. Step 2: Convert to fraction form
    40,013.13/60,022.76 = 11,931.05/x
  3. Step 3: Cross multiply
    40,013.13x = 60,022.76 × 11,931.05
  4. Step 4: Simplify right side
    40,013.13x = 716,134,190.93
  5. Step 5: Solve for x
    x = 716,134,190.93/40,013.13
  6. Step 6: Final answer
    x = 17,897.48

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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.