Home / 35,071.81-48,399.10-19,156.30

Finding the Fourth Proportional to 35,071.81, 48,399.10 and 19,156.30

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Solution

The fourth proportional to 35,071.81, 48,399.10 and 19,156.30 is: 26,435.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,071.81 : 48,399.10 = 19,156.30 : x
  2. Step 2: Convert to fraction form
    35,071.81/48,399.10 = 19,156.30/x
  3. Step 3: Cross multiply
    35,071.81x = 48,399.10 × 19,156.30
  4. Step 4: Simplify right side
    35,071.81x = 927,147,510.44
  5. Step 5: Solve for x
    x = 927,147,510.44/35,071.81
  6. Step 6: Final answer
    x = 26,435.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.