Home / 30,535.16-42,138.42-16,924.07

Finding the Fourth Proportional to 30,535.16, 42,138.42 and 16,924.07

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Solution

The fourth proportional to 30,535.16, 42,138.42 and 16,924.07 is: 23,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,535.16 : 42,138.42 = 16,924.07 : x
  2. Step 2: Convert to fraction form
    30,535.16/42,138.42 = 16,924.07/x
  3. Step 3: Cross multiply
    30,535.16x = 42,138.42 × 16,924.07
  4. Step 4: Simplify right side
    30,535.16x = 713,153,359.08
  5. Step 5: Solve for x
    x = 713,153,359.08/30,535.16
  6. Step 6: Final answer
    x = 23,355.16

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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.