Home / 30,271.48-41,758.10-19,349.16

Finding the Fourth Proportional to 30,271.48, 41,758.10 and 19,349.16

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Solution

The fourth proportional to 30,271.48, 41,758.10 and 19,349.16 is: 26,691.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271.48 : 41,758.10 = 19,349.16 : x
  2. Step 2: Convert to fraction form
    30,271.48/41,758.10 = 19,349.16/x
  3. Step 3: Cross multiply
    30,271.48x = 41,758.10 × 19,349.16
  4. Step 4: Simplify right side
    30,271.48x = 807,984,158.20
  5. Step 5: Solve for x
    x = 807,984,158.20/30,271.48
  6. Step 6: Final answer
    x = 26,691.27

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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.