Home / 30,022.10-41,430.62-16,410.42

Finding the Fourth Proportional to 30,022.10, 41,430.62 and 16,410.42

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Solution

The fourth proportional to 30,022.10, 41,430.62 and 16,410.42 is: 22,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,022.10 : 41,430.62 = 16,410.42 : x
  2. Step 2: Convert to fraction form
    30,022.10/41,430.62 = 16,410.42/x
  3. Step 3: Cross multiply
    30,022.10x = 41,430.62 × 16,410.42
  4. Step 4: Simplify right side
    30,022.10x = 679,893,875.06
  5. Step 5: Solve for x
    x = 679,893,875.06/30,022.10
  6. Step 6: Final answer
    x = 22,646.45

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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.